This white paper describes how Dynamic Image Analysis can effectively replace sieve analysis and significantly reduce the user’s workload. Sieve analysis is still a standard method for routine determination of particle size distributions of powders and granulates. On the one hand, it is cost-efficient and apparently easily executed, but on the other hand, it is also prone to error and flawed by various inaccuracies. The time required for one analysis may add up to 15 -30 minutes, including weighing, sieving process and cleaning. The information gained is limited as the number of data points is defined by the number of available test sieves. In contrast, DIA delivers a high-resolution measurement result within 2 - 3 minutes which contains additional information on particle shape and is generated automatically. Not surprisingly, some systematic differences can be observed in the results generated by different measurement techniques. In this article, these systematic differences are discussed for DIA and sieve analysis using application examples with various materials and particle shapes. Finally, we present…

The CAMSIZER ONLINE is an online 3D particle size and shape analyzer that can be integrated into any process loop. The CAMSIZER systems are reliable, rugged systems for the measurement of granules such as fertilizer, sand, sugar, stone and a wide variety of food industry products. The measuring method is designed to be both intuitive and functional. The analyzer covers a size range from 22 µm to 35 mm. The CAMSIZER ONLINE system is renowned for its ability to produce and reproduce accurate, quick and reliable results that are easily calibrated to your quality control procedures. It can measure 32 morphological parameters including size, shape, surface roughness, density, transparency, and of course 3D in one fast analysis. The CAMSIZER ONLINE is acclaimed for its user-friendliness and application flexibility.

The Microtrac MRB SYNC analyzer provides traditional users of laser diffraction technology with exciting new capabilities to characterize their materials. The proven tri-laser technology provides accurate and repeatable laser diffraction information from light detected over 163 degrees of angular scatter. When combined with state-of-the-art camera technology capturing images of the particle stream at the same time, the SYNC offers not only size data but also additional information about the shape of the materials and the quality of the dispersion. The patented synchronous measurement technology of the SYNC allows users to make both a laser diffraction measurement and image analysis on a single sample, in the same sample cell at the same time: One sample, one optical bench, one flow path, one sample cell, one integrated GUI, one analysis. This makes the SYNC ideally suited for both routine QC and research applications; it provides valuable information to researchers as they develop new materials and processes. The powerful software interface offers both particle size distribution information as well as a multitude…

Particle size & particle shape analysis of fine powders RETSCH Technology introduces the new Camsizer m1 as the latest addition to their powerful range of optical particle analyzers. The Camsizer m1 operates on the basis of static image analysis (ISO 13322-1) and covers a measuring range from 0.5 µm to 1500 µm. This measurement method is perfectly suited for high-resolution analysis of narrow particle size distributions in the lower micron range while simultaneously determining the particle shape. Hence, the Camsizer m1 is the ideal solution when it comes to characterizing powders and suspensions like pharmaceutical ingredients and excipients or fine abrasives and polishing agents. The optional dispersion unit M-Jet ensures effective sample preparation of powdery materials. The high-precision, fully automatic sample stage may be equipped with various inserts allowing for evaluation of an area corresponding to up to eight standard object slides. An 18.1 Megapixel color camera in combination with a maximum of six different…

Rockwell hardness testers of the Q150 series are compact, robust and easy to operate. They are designed for routine tasks in the laboratory as well as for usage in production or hardening plants. The top models Q150A and Q150A+ now provide features like the innovative, automatic height control for sample holders or fully automatic feeding and unclamping sequences of the test head. The new protection housing ensures maximum operating safety. Product highlights: - Integrated, optical path measuring system in the test head for ultimate positioning precision - Improved operating comfort and higher degree of Automation - No manual height scanning needed with Qness sample holders - Automatic retraction at work pieces with interfering contours - Approach of the loading position in XYZ axis possible - Also possible with extended test height Innovative new accessories for Qness hardness testers: Connected Measurement Caliper Qness is now able to provide measurement calipers which are compatible with Qpix Control2 software. Data is automatically sent from…

Make the most of your particle analysis Very recently, Retsch technology has presented the new Camsizer m1 as the latest addition to their powerful range of optical particle analyzers. The Camsizer m1 is the perfect choice to accurately characterize particles by static image analysis, providing excellent results for applications both in research & development and quality control. The measuring principle (ISO 13322-1) is suitable for particle analysis of fine powders and suspensions in a size range from 0.5 µm to 1500 µm. Typical sample materials include active pharmaceutical ingredients or fine grinding and polishing media. The optional dispersion unit M-Jet ensures effective dispersion of powder materials. The high-precision, fully automated sample stage may be equipped with different inserts for the evaluation of an area corresponding to eight standard object slides. Benefits at a glance: •Up to 6 objective lenses from 1.25 x to 100 x available •18.1 Megapixel color camera •Maximum…

With RETSCH's New Mixer Mill MM 500 With the new Mixer Mill MM 500 RETSCH has developed the first ball mill with a frequency of 35 Hz which produces enough energy for efficient wet grinding of samples down to the nanometer range. Based on performance, operation, application fields and design the MM 500 is a unique combination of a classic mixer mill and a planetary ball mill! Hence, it is perfectly suited for long-term grindings of several hours with high energy input to obtain particles sizes <1 µm, e. g. for mechanical alloying or chemical reactions. Thanks to only moderate warming effects, no cooling breaks are required when using the MM 500. On top of that, operation and handling are more comfortable than with planetary ball mills. The benchtop unit is also suitable for dry, wet and cryogenic grinding of sample volumes up to 2 x 45 ml in one working run. It mixes and pulverizes powders and suspensions in only a few seconds. The MM 500 can be controlled via the new optional RETSCH App which…

Solution Boxes which contain specific consumables tailored to the preparation of a particular sample material. The boxes are designed to serve as a start-up aid for the preparation of defined materials for microscopy. They help to make sample preparation more efficient and less time-consuming. The boxes contain an illustrated guide for easy use. Solution Boxes are available for a variety of materials. ATM will gradually extend the portfolio to cover the preparation of many more materials. Our brochure "Sample Preparation" is also updated to new consumables and preparation methods.

Best in class for sample mixing and pulverization Performances, handling, application fields and design of the MM 500 make it the perfect combination of a classic Mixer Mill and a Planetary Ball Mill. Retsch’s Mixer Mills are true all-rounders which are used in laboratories all over the world. The new Mixer Mill MM 500 is a versatile bench-top unit which has been developed specially for high sample thoughput in dry, wet and cryogenic grinding of small sample amounts. This powerful mill mixes and pulverizes powders and suspensions efficiently and quickly down to < 0.1 µm. The robust high-performance drive makes the MM 500 suitable for applications like mechanical alloying and echanochemistry. The user-friendly clamping system facilitates safe operation. For intermittent sample extraction, the jars remain conveniently clamped. Benefits at a glance: - Powerful grinding with up to 35 Hz - Grind sizes < 100 mm - Grinding jar volumes 50 ml, 80 ml, 125 ml - Screw-Lock jars, pressure-tight up to 5 bar -…

New brochure “Solutions for Additive Manufacturing & Powder Injection Molding” The fast-growing additive manufacturing technology offers new possibilities for the production of complicated, often miniaturized light parts that could not previously be made in any other way with conventional techniques. Quality control of both raw materials and finished products is where the Verder Scientific manufacturers can help you: Download the brochure “Solutions for Additive Manufacturing & Powder Injection Molding”, in which the 6 producers present their offer: • Particle characterization of metal powders with dynamic digital image analysis (DIA) - Retsch technology • Elemental analysis for carbon, nitrogen, sulfer, oxygen and hydrogen in metal powders and metal components - ELTRA • Heat treatment of parts produced by injection molding or additive manufacturing - Carbolite gero • Sieving powder and granulates or grinding parts - RETSCH • Materialographic sample preparation of 3D printed components - ATM • Hardness testing in powder…

Ball mills are indispensable tools when it comes to rapid, reproducible pulverization of a large variety of materials which can be soft, elastic or fibrous but also hard or brittle. RETSCH offers a portfolio comprising 11 different models and possesses comprehensive know-how in the efficient use for fine and ultrafine grinding. We are happy to share our knowledge with you by offering a white paper for download. This contain many practical tips & tricks for your application.

To qualitatively describe the shape of particles, the observer is often content with a mere visual inspection, in the case of fine samples probably with the aid of a microscope. Characterizations like ”needle-shaped crystals”, ”compact granulate”, ”splintered grain”, or ”rounded sand” are quickly made and bring a corresponding picture to the mind of every reader. These descriptions are insufficient, however, when it comes to evaluating the suitability of a material for a specific application. If, for example, sand is intended to be used as a building material, the grains must not be too round. In this case, it is important to precisely quantify this roundness to reliably determine the suitability of the raw material. This is where quantitative particle shape analysis comes into play.

Do you manufacture parts using Metal Injection Moulding (MIM) or Additive Manufacturing (AM)? Then you might be interested in joining our webinar which will give you a complete overview of Metal Injection Moulding and a short outlook on Additive Manufacturing. The topics in particular include: - Overview of the different manufacturing processes (MIM & AM) - The MIM Process - Outlook Additive Manufacturing - Heat treatment of the formed parts (solutions by Carbolite Gero) - World market for MIM Both during and after the presentation, you will have the opportunity to ask questions. These will be answered directly after the presentation. Speakers: - Mirjam Stein (Dipl. Ing. Material Science) - Dr. Timm Ohnweiler (Dipl. Phys.) Date: There will be two sessions with identical content on Thursday, 24 January 2019: - Session I: 10 am CET (Central European Time) - Session II: 5 pm CET (Central European Time) You will be able to see your local time in the…

Cannabis – from illegal drug to medical panacea Cannabis is classified as a so-called “soft” drug which potentially lowers the inhibition threshold for consuming “hard” drugs like heroin or cocaine. Possession of cannabis was prohibited worldwide in 1925 but today, limited consumption is legal in various countries, for example Canada, the Czech Republic or Israel. Uruguay was the first country to legalize the sale, cultivation, and distribution of cannabis in 2013. As the benefits of cannabis for medical treatment have been proven by several studies, many countries have started the process of legalizing the use of cannabis under strictly regimented conditions. In 29 states of the USA, the purchase of cannabis for medical reasons has been allowed since 2016, one year later it was also legalized in Germany.

Free Live Webinar on Different Methods of Sieve Analysis For the reliable determination of particle size distributions in bulk materials sieve analysis is still the most widespread and cost-effective method which ensures high accuracy. With the live webinar “Practical tips for efficient laboratory sieving processes” we provide an overview of the different sieving techniques and describe the necessary steps to obtain reliable results. Sieve Analysis: Different methods for a variety of applications - Different sieving methods and corresponding sieve shakers - Test Sieves: requirements, care and cleaning - How to perform a sieving process step by step - Wet Sieving – do’s and don’ts - Tips & Tricks from our Application Lab At the end of the webinar, you will have the chance to download a package containing all relevant information. Date: 11 December 2018 09:00-10:00 (CET) option 1 16:00-17:00 (CET) option 2 Speakers: Dr. Tanja Butt, Product Manager Retsch gmbH Dr. Gerhard Beckers, Application…

The new SM 400 XL RETSCH, a model for specific requirements This mill is suitable for primary cutting of large sample pieces measuring up to 170 x 220 mm, but can also achieve the required final fineness in one step, depending on the application. The grinding chamber volume of 7.5 l and the large surface of the bottom sieves (240 x 240 mm) allow for complete homogenization even of large sample volumes in one working run. Hence, the sample throughput is considerably higher than that of smaller models. Thanks to the optional cyclone-suction combination, the SM 400 XL is also suitable for grinding heat-sensitive materials. This tool not only improves material discharge but also provides a cooling effect thanks to the air jet. The fold-back hopper and removable bottom sieves ensure quick and easy cleaning of the mill. In addition to the SM 400 Xl retsch offer three cutting mill types for different requirements: from the budget-priced basic model and universally suitable standard model to the heavy-duty mill with RES technology. Benefits…

Dynamic Image Analysis (DIA) made easy Dynamic Image Analysis (DIA) has become a widely used method for routine analysis of particle size and particle shape in many industries. In this white paper we explain how traditional sieve analysis can successfully be replaced by DIA. The results produced by both techniques can be made to match so that product specifications based on sieve analysis remain un changed. Users of image analysis benefit from reduced workload, higher sample throughput and more detailed results. Sieve analysis is still a standard method for routine determination of par ticle size distributions of powders and granulates. On the one hand, it is cost-efficient and apparently easily executed, but on the other hand, it is also prone to error and flawed by various inaccuracies. The time required for one analysis may add up to 15 -30 minutes, including weighing, sieving process and cleaning. The information gained is limited as the number of data points is defined by the number of avail…

Combines the benefits & speed of a manual cut-off machine with an automatic cutter The semi-automatic Brillant 240 equipped with an integrated hand lever with electromechanical lever brake. It can be operated with one hand and makes vertical cuts or the positioning of the cut-off wheel easier than before. The stainless steel cutting table can be used in manual mode by a hand wheel (traverse cut), or with a dynamic automatic drive. The latter allows the pulsed cut and the Care-Cut (oscillation cut for chop cuts). For more complex cutting tasks, the Brillant 240 can be equipped with an optional automatic cross table to perform serial cuts. The unique horizontal, parallel moving wheel guard maximizes the usage of the cut-off wheel. A very large color interface and newly created user concept guides the operator through the tasks, to minimize operator errors. The individually adjustable user information system facilitates routine tasks such as renewal of coolant, scheduled maintenance etc. Advantages at a glance: •for cut-off wheel up…

Qness is a leading manufacturer of hardness testing machines Haan, 6 February 2018 - Today the Verder group acquired the majority of the Austrian company Qness GmbH, thereby extending the portfolio of its Scientific Division with a product line for hardness testing. Qness is a leading manufacturer of hardness testing machines which comply with recognized standards like Brinell, Vickers, Knoop and Rockwell. The instruments are used both for industrial applications and material research. Moreover, the company specializes in custom-made test lines. The headquarters are located in Golling (near Salzburg, Austria) where Qness develops and manufactures all products with 40 highly qualified staff. offering of ATM GmbH which is also part of Verder Scientific. In future, ATM’s comprehensive product range for metallographic sample preparation and the hardness testing machines from Qness will form a strong platform to provide complete solutions for materials testing. „With ATM and Qness the two technological leaders in metallography…

Tough? Fatty? Fibrous? No problem for the new GM 200 The standard mill for sample homogenization in the food industry has been completely redesigned and further improved. The Grindomix is the perfect mill to homogenize dry, oily, fatty, soft and tough sample materials - for analysis results with minimum standard deviation. The model GM 200 for sample volumes up to 700 ml has been completely revised. Thanks to the powerful 1000 W drive and the innovative Boost function, the mill is powerful enough to homogenize even difficult samples like tough meat with skin or fibrous plants very quickly and efficiently. The new GM 200 is operated via a user-friendly 4.3’’ touch display and allows storage of 8 SOPs and 4 program sequences. The GM 200 is the first RETSCH mill to provide direct access to the new MyRETSCH web portal containing a wealth of product- and application-related information like grinding protocols, videos, operating manuals, tips & tricks etc. The user simply needs to scan the QR code in the display…

Retsch Technology - Particle size and shape of spray-dried material Dairy products like milk, cream, or even yogurt can be evaporated to dryness in order to produce a powder with increased shelf life and easy handling. These powders are then conveniently used to produce delicacies like chocolate, pastries, or ice cream. Powdered milk is produced by spray-drying which is a well established method in food technology but also in the chemical or pharmaceutical industry. For spray drying, the milk is first pasteurized, and then transferred to a spray tower where it is dispersed through tiny nozzles (atomizers) into 200°C hot air. The droplets immediately loose most of the residual water and the water content is reduced from 87,5% to 3% in the process. The result is a fine powder with a typical particle size distribution between 20 µm and 500 µm. The size distribution affects properties like dissolution, reconstitution, or flowability and is therefore a quality relevant feature.

Standards such as EN 197 / ASTM C 150 The compliance of cement with standards such as EN 197 / ASTM C 150 is a quality requirement. Quality assurance of the raw materials used in calcination and also during the clinker production is necessary. Carbolite gero’s AAF 1100°C Ashing Furnaces and CWF 1200°C and 1300°C General Purpose Furnaces are ideally suited for loss on ignition tests. Their use ensures that the production process meets quality standards and provides ash samples for additional analysis. In addition, the burnability or free lime content of the clinker may be tested at intervals using our higher temperature RHF 16/8 (1600 °C) Furnace. This is particularly important in situations where there is variability in the raw materials.

To produce high-quality cement, the mineralogical and chemical composition of raw materials as well as intermediate and finished products has to be determined. At each stage of the production, samples have to be taken, processed and analysed to ensure quality control without gaps. RETSCH offers a range of instruments suitable for sample preparation during the complete production process, from the quarrying of the raw materials to the final product. The typical sample preparation process involves preliminary size reduction, sample division and fine size reduction before the sample can be submitted to further analyses. Elemental analyzers using combustion technology are ideally suited for the fast, accurate and reliable determination of carbon and sulphur in cement. Apart from size reduction, no further sample preparation is needed. ELTRA’s elemental analyzers measure the concentrations of carbon and Sulphur from ppm levels up to 100%.

Clever Solutions Provided by RETSCH However, extraction of a sample from the bulk is not always carried out in a way to ensure representativeness. This is a widespread flaw in the quality control process with a negative impact on the subsequent analysis results. Therefore, more attention should be paid to the correct sampling procedure. Sample division is often considered as a labor-intensive process which not always leads to representative results. RETSCH provides some convenient solutions which help to improve working conditions and thereby the quality of the sampling process. The challenge of sample division is to obtain a part sample which represents the original sample and which can therefore be used directly for analysis. For example, if 200 ml are to be extracted from 60 liters of sample, a sample splitter is often the first choice. A large-sized sample splitter has a feed hopper of 25 l max. and divides the sample into two parts of 12.5 l each in the first step. It is not recommended to split…

A powerful tool to study microstructures The electron backscatter diffraction (EBSD) technique –a powerful tool to study microstructures by SEM (scanning electron microscopy) In the field of scanning electron microscopy (SEM) the electron backscatter diffraction (EBSD) technique has developed into a powerful tool for the crystallographic analysis of materials. In particular, the emergence of computer algorithms for the fully automated analysis of diffraction patterns have pushed the technique to develop into a new kind of scanning microscopy technique, known as “orientation imaging microscopy, OIM*” [1] or “crystal orientation microscopy/mapping, COM”. It uses computer algorithms for the automated analysis of the diffraction patterns. The COM technique is based on the consecutive acquisition of electron diffraction patterns obtained from every point of a scan grid on a flat surface of a steeply inclined sample in the SEM.

Particle characterization of Metal Powders with Dynamic Image Analysis Production capacities for specialized metal powders are increasing worldwide. Advances in production technologies generate a demand for tailored and tightly controlled powders with distinctive proper ties in terms of chemical composition, particle size distribution, and particle morphology , as these greatly influence the subsequent processing. This applies to conventional powder metallurgy processes (mixing-compacting-sintering) as well as to more advanced techniques like metal injection molding (MIM) or additive manufacturing (AM). For MIM, metal powder is mixed with a binder and injected into a mold, followed by thermal or chemical removal of the binder and ? nal sintering (Fig. 1). A rapidly growing technology for the production of metal par ts is additive manufacturing. The term comprises different techniques like selective laser sintering, selective laser melting, or electron beam melting. In all these processes, the product is built layer-by-layer. Each layer…

Selection of suitable laboratory mills and accessories A solid sample material should always be sufficiently prepared by size reduction and homogenization before it is subjected to chemical or physical analysis. Care should be taken that the analysis sample fully represents the original material and that the sample preparation process is carried out reproducibly. Only then are meaningful results guaranteed. Most sample materials can be reduced to the required analytical fineness at room temperature by choosing a mill with a suitable size reduction principle (impact, pressure, friction, shearing, cutting). However, there are limits for size reduction at room temperature, for example when even a small temperature increase affects the sample in a negative way; or when the material is very elastic and the above mentioned size reduction principles only cause deformation. The perfect solution for these types of samples is cold or cryogenic grinding. This involves grinding aids such as liquid nitrogen (-196 °C) or dry ice…

Graphite is a soft, slippery, greyish-black substance. It has a metallic luster and is opaque to light. Graphite is a good conductor of heat and electricity. Often graphite is simply named carbon. Under inert gas or vacuum graphite is extremely temperature-resistant which makes it an interesting material for high temperature applications. By heating graphite up to 3000°C its properties are optimized. As a result, heat treatment of graphite is a growing market and graphite has become an important material for a variety of applications all over the world. Graphite is often part of composite materials.

RETSCH have added a new model to their cutting mill family The SM 400 XL is perfectly suitable for primary size reduction of very large sample pieces measuring up to 17 cm x 22 cm, but can also achieve the required final fineness in one step, depending on the application. The large surface of the bottom sieve (240 mm x 240 mm) permits processing of large sample volumes, resulting in a higher throughput than is possible with smaller cutting mills. The high torque of the innovative 3 kW drive with flywheel mass allows for exceptionally effective primary size reduction of soft to medium-hard, tough-elastic, and fibrous samples as well as heterogeneous material mixes. The SM 400 XL even processes temperature-sensitive samples without too much heat built-up. When operated with the optional cyclone-suction-combination the mill is also suitable for grinding light materials or small quantities. The RETSCH cutting mill range includes three proven models for different requirements – SM 100 is the budget-priced basic model,…

Sieve Analysis - Laser Diffraction - Dynamic Image Analysis Different measuring techniques provide different results – but what is the truth? The most common techniques to determine the particle size distribution are dynamic image analysis (DIA), static laser light scatter-ing (SLS, also called laser diffraction) and sieve analysis. <b>This white paper presents the advantages and drawbacks of each technique, their comparability among each other as well as detailed application examples. </b> Each method covers a characteristic size range within which measurement is possible and which partly overlap. The three methods discussed here, for example, all measure particles in a range from 1 μm to 5 mm. However, the results for measuring the same sample can vary considerably. This white paper will help to interpret the informative value and significance of particle analysis results and to decide which method is best suited for a particular application. <b>Download</b>:

Vibratory Disc Mill RS 300 XL No grinder can beat the speed of a Vibratory Disc Mill when it comes to preparing samples, e. g. for XRF analyses. In addition to the well-proven Vibratory Disc Mill RS 200 RETSCH now offers the RS 300 XL for sample volumes of up to 2000 ml. This new model allows for simultaneous processing of up to 4 samples. Thanks to the robust universal drive shaft, which sets the grinding jar into a 3-D motion, it accepts grinding sets weighing up to 30 kg. The RS 300 XL very effectively grinds hard, brittle and fibrous samples like cement, coal, minerals or electronic components by impact and friction. Grind sizes below 50 microns are typically obtained in a matter of seconds. For safe operation the grinding set is firmly attached to the vibration plate with a pneumatic clamping device. A selection of grinding jar materials and sizes makes this mill versatile and suitable for grinding a variety of sample materials without affecting analysis results. Due to the high final…

RETSCH - Solutions in milling & sieving RETSCH sieve shakers ensure accurate, reliable and user-friendly grain size analysis. The new generation of vibratory sieve shakers AS 200 and AS 300 is characterized by optimized functionalities and a fresh new design. The entry-level model AS 200 basic now features digital control just like the other models of the AS 200 series. Parameters like performance and time are shown in the display. The AS 200 digit cA (controlled amplitude) enhances the previous „digit“ model. This sieve shaker now operates with controlled amplitude which is indicated in the display, just like the sieving time. The high-end model AS 200 control has been further optimized and can now be equipped with up to 10 sieves. New features include the storage of up to 99 sieving programs as well as USB connection for use of EasySieve® evaluation software. The AS 300 control for sieves with a 300 mm diameter is now also available in the new design and with additional features. The…

ATM – Materialography Some separation processes require taking of several samples from a specimen and a corresponding number of cuts in different angular positions. This often means an additional expense for the re-clamping of the sample and possibly the use of additional clamping tools. The new Brillant 3D is equipped with 5 axis (X-, Y-, Z-, D-, E-axis). This allows positioning and cutting of the sample in nearly all arbitrary positions to the cut-off wheel. The device has all the characteristics of the Brillant 275 universal wet-cutting machine and meets high demands on space and cutting operations with its innovative concept. The automatic horizontal table (X-axis) and cutting wheel movement (Y-axis) can reach up to 80 mm/sec. through highly dynamic axis drive in rapid run. Compact program sequences for automatic processes are easy to compile by Touchscreen-control. Parallel setting of wheel guard during vertical cutting sequences increases the cutting capacity. A large sliding…

Retsch Technology’s new particle analyzer CAMSIZER X2 With the CAMSIZER X2 RETSCH TECHNOLOGY presents the next generation of the well-proven dynamic image analysis system CAMSIZER XT. The new analyzer provides an extended dynamic measuring range from 0.8 µm to 8 mm with short measurement times and excellent reproducibility. The new product generation is based on the patented two-camera-system which consists of two cameras with different resolutions, operating simultaneously and permitting measurements in a wide dynamic size range. This principle has been realized in the CAMSIZER X2 with a new optical concept: two light sources with different wave lengths and an innovative light path allow for images with increased depth of focus and for an image resolution improved by factor 2. Thanks to the latest camera technology with a three times higher pixel resolution and higher frame rate than the previous model, the number of detected particles increases dramatically. A new software module of the CAMSIZER X2 - the Particle…

For reliable and convenient sieve analysis RETSCH sieve shakers ensure accurate, reliable and user-friendly grain size analysis. The new generation of vibratory sieve shakers AS 200 and AS 300 is characterized by optimized functionalities and a fresh new design. • The entry-level model AS 200 basic now features digital control just like the other models of the AS 200 series. Parameters like performance and time are shown in the display. • The AS 200 digit cA (controlled amplitude) enhances the previous „digit“ model. This sieve shaker now operates with controlled amplitude which is indicated in the display, just like the sieving time. • The high-end model AS 200 control has been further optimized and can now be equipped with up to 10 sieves. New features include the storage of up to 99 sieving programs as well as USB connection for use of EasySieve® evaluation software. The AS 300 control for sieves with a 300 mm diameter is now also available in the new design and with additional features. The…

For optimum materiallografic (metallographic) sample preparation The purpose of the materiallografic (metallographic) sample preparation is a scratch free and undistorted surface that reveals the micro-compounds in the sample. So far, the grinding and polishing steps and the used extensive methods have specific requirements in order to get to a meaningful result. Until now, the automation of these processes was only useful for very large sample numbers. In general, it is possible to save time and space for the final analysis by avoiding annoying waiting times during the grinding and polishing and the manual replacement of the grinding media, by the use of an automatic system; documented and programmable repetitive steps can be recalled at any time, possibly even over an ethernet networkconnection. At the top of the wish lists of many customers of ATM GmbH the Saphir X-Change Grinding & Polishing Robot surprised with lots of high-tech features on a minimal footprint. This compact grinding and polishing machine can make…

Market leader in machines for metallographic applications With the acquisition of ATM the Verder Group extends the portfolio of its Scientific Division in the business segment of sample preparation of solids. The company is a leading manufacturer of machines for metallographic applications. The instruments are used both in industrial processes and research to prepare solid bodies of metal or compound materials, usually followed by microscopic analysis. The headquarters are located in Mammelzen, between Cologne and Frankfurt, where ATM employs 150 staff. Managing Director Heinrich Müller founded the company more than 35 years ago. All instruments are developed, manufactured and assembled at the headquarters in Mammelzen. “We have opted for the Verder group because it is a successful, family-owned group of companies which gives us the possibility to continue operating as an independent company. ATM will greatly profit from the resources and experience of the group, thus obtaining an optimum starting basis for our international…

New Line of Big Crushers and Grinders RETSCH GmbH – world-leading supplier of lab equipment for sample homogenization and sieve analysis – have enhanced their product range with a complete line of instruments for applications with large feed sizes and high throughput rates. The new program will be integrated into the existing product line under the name of “X-Large” and complement it in many areas. Now RETSCH offer, for example, a series of jaw crushers with feed sizes from 40 mm to 350x170 mm. The new XL models of ball mills, vibratory disc mills and sample dividers provide a substantially higher throughput than the laboratory-scale models. The new portfolio also includes a number of testing equipment to determine the Bond Grinding Indices. This program extension will give RETSCH access to markets like the coal, steel and mining industry which until now could only be served with laboratory instruments for small sample volumes. RETSCH, who celebrate their 100th anniversary this year, is now…

New Product Line of Big Crushers and Grinders Haan (Germany), 1 December 2015. RETSCH GmbH – world-leading supplier of lab equipment for sample homogenization and sieve analysis – have enhanced their product range with a complete line of instruments for applications with large feed sizes and high throughput rates. The new program will be integrated into the existing product line under the name of “X-Large” and complement it in many areas. Now RETSCH offer, for example, a series of jaw crushers with feed sizes from 40 mm to 350x170 mm. The new XL models of ball mills, vibratory disc mills and sample dividers provide a substantially higher throughput than the laboratory-scale models. The new portfolio also includes a number of testing equipment to determine the Bond Grinding Indices. This program extension will give RETSCH access to markets like the coal, steel and mining industry which until now could only be served with laboratory instruments for small sample volumes. RETSCH, who celebrate their 100th…

Rapid Particle Size Reduction for X-Ray Diffraction RETSCH have enhanced their comprehensive range of mills and grinders with the XRD-Mill McCrone which was specifically developed for sample preparation to X-Ray diffraction analysis. Typical areas of application include geology, chemistry, mineralogy and materials science. What makes this mill so effective is the unique grinding action: the grinding jar contains 48 cylinders which pulverize the sample very gently by friction. As a result the crystal lattice structure of the sample is largely preserved which is an important precondition for obtaining meaningful X-ray diffractograms. Further advantages are short grinding times, virtually no sample loss and exceptionally narrow particle size distributions. The grinding vessel consists of a 125 ml polypropylene jar fitted with a screw-capped polyethylene closure. The jar is packed with an ordered array of forty-eight identical cylindrical grinding elements which are available in agate, zirconium oxide or sintered corundum.…

Rapid Particle Size Reduction for X-Ray Diffraction RETSCH have enhanced their comprehensive range of mills and grinders with the XRD-Mill McCrone which was specifically developed for sample preparation to X-Ray diffraction analysis. Typical areas of application include geology, chemistry, mineralogy and materials science. What makes this mill so effective is the unique grinding action: the grinding jar contains 48 cylinders which pulverize the sample very gently by friction. As a result the crystal lattice structure of the sample is largely preserved which is an important precondition for obtaining meaningful X-ray diffractograms. Further advantages are short grinding times, virtually no sample loss and exceptionally narrow particle size distributions. The grinding vessel consists of a 125 ml polypropylene jar fitted with a screw-capped polyethylene closure. The jar is packed with an ordered array of forty-eight identical cylindrical grinding elements which are available in agate, zirconium oxide or sintered corundum.…

Dynamic Image Analysis replaces sieving The new CAMSIZER P4 is the systematic enhancement and optimization of the well-proven CAMSIZER system for the determination of particle size and particle shape with Dynamic Image Analysis. Based on the unique dual camera technology the new generation offers improved performance and extended functionalities. Compared to the previous model, the CAMSIZER® P4 boasts faster cameras with higher resolution, a stronger light source and new software features, resulting in even faster measurements and an extended measuring range. The improved resolution allows for more precise particle characterization, particularly of small particles. Both hard- and software have been revised. The software offers additional evaluation possibilities, such as separate storage of all particle images in a data base or 3-dimensional display of measurement results as scatter plots (3D cloud). New shape parameters for roundness and sphericity allow for optimized shape characterization. Well-proven…

RETSCH’s new rotor mills The new generation of RETSCH rotor mills SR 300 and SK 300 has been greatly improved with regard to performance, handling and flexibility. The speed of the rotor beater mill SR 300 has been substantially increased and can be set between 3,000 and 10,000 rpm, thus allowing for optimum adaptation to application requirements. Further new features are the removable cassette and push-fit rotor which can be easily taken out for cleaning without using tools, just like the removable hopper. The cassette allows for almost 100% sample recovery. Grinding chamber, feed hopper and material inlet and outlet of the SR 300 are made from high-quality stainless steel. It is therefore ideally suited for use in pharmaceutical and food laboratories. The new cross beater mill SK 300 now also operates with higher speed which can be set from 2,000 to 4,000 rpm. Grinding insert and rotor are as easily removable as in the SR 300. Both mills can be equipped with an optional cyclone which improves…

Improved performance, handling and flexibility At the upcomming Achema tradeshow, Retsch will present their new generation rotormills with variable rotorspeed. The SR 300 / SK 300 are very suitable for the grinding of bigger sample-volumes. Because of their robust design, they can be used as well in the lab as for small pilot-productions. The variable rotor speed gives an optimal adaption to the specific characteristics of your products. Grinding chamber, feeding funnel and outlet are all made of high quality stainless steel • New - variable rotorspeed : SR 300 from 3.000 – 10.000 min-1 and SK 300: from 2.000 – 4.000 min-1 • New – max. inlet particles up to 25 mm • New – optional connection for cyclone • New – simple cleaning with easy grinding cassette, push-fit rotor and removable inlet-funnel

Nano technology How are nano particles produced? The “Bottom-Up” method synthesizes particles from atoms or molecules. The “Top-Down” method involves reducing the size of larger particles to nanoscale, for example with laboratory mills. Nano particles are produced by colloidal grinding which involves dispersion of the particles in liquid to neutralize the surface charges. Both water and alcohol can be used as dispersion medium, depending on the sample material. Factors such as energy input and size reduction principle make ball mills the best choice for the production of nanoparticles. You can find our whitepaper through the link below.

RETSCH’s New Vibratory Disc Mill RS 200 No grinder can beat the speed of a Vibratory Disc Mill when it comes to preparing samples for spectral analyses. RETSCH have now redesigned their RS 200 model for even more convenient operation and handling of the grinding sets. An ergonomic carry handle facilitates carriage of the heavy grinding jar which is slid on a rail into the optimum position inside the mill. The new clamping device allows for safe clamping of the jar with less force, an additional sensor checks its correct position. RETSCH’s RS 200 with its powerful stabilized plane drive achieves grind sizes between 20 and 100 microns within seconds and with excellent reproducibility. Grinding sets are available in a variety of sizes and materials. A set of sensors will recognize jars of tungsten or agate and automatically sets the maximum permissible speed, ensuring optimum results while protecting the material. Benefits at a glance • Very short grinding times, typically in the range of 60…

RETSCH’s new High Energy Ball Mill Emax The Emax is an entirely new type of ball mill for high energy milling. The unique combination of high friction and impact results in extremely fine particles within the shortest amount of time. The high energy input is a result of an unrivaled speed of 2000 min-1 and the innovative jar design. Thanks to the revolutionary water cooling system, the high energy input is effectively used for the grinding process without overheating the sample. Due to the special grinding jar geometry, the sample is thoroughly mixed which results in a narrow particle size distribution. Unlike other high energy ball mills, the Emax is capable of continuous grinding operation without interruptions for cooling down. This dramatically reduces the grinding time. The high energy input in combination with the unique cooling system provides perfect conditions for effective mechanical alloying or grinding down to the nanometer range. A wealth of safety features such as the integrated safety…

RETSCH have extended their range of cutting mills by a new model which combines powerful size reduction with very easy handling. The new cutting mill SM 300 is perfectly suitable for many different – and also difficult - size reduction tasks thanks to the variable speed from 700 to 3,000 min-1. The powerful 3 kW drive with RES technology and a high torque ensure excellent grinding results so that even heterogeneous sample mixtures are no longer a problem! Another advantage of the SM 300 is the easy access to the grinding chamber for rapid cleaning: the hopper is simply folded back and the push-fit rotor can be removed without tools. This only takes a few seconds. The cutting mill SM 300 can be equipped with a wide range of accessories, among them three different types of rotors which allow for optimum adaptation to sample properties. With the budget-priced basic model SM 100 and the universal standard model SM 200 completing the product family, RETSCH offers the…

Revolutionizing Ultrafine Grinding! The Emax is an entirely new type of ball mill for high energy milling. The unique combination of high friction and impact results in extremely fine particles within the shortest amount of time. The high energy input is a result of an unrivaled speed of 2000 min-1 and the innovative jar design. Thanks to the revolutionary water cooling system, the high energy input is effectively used for the grinding process without overheating the sample. Due to the special grinding jar geometry, the sample is thoroughly mixed which results in a narrow particle size distribution. Unlike other high energy ball mills, the Emax is capable of continuous grinding operation without interruptions for cooling down. This dramatically reduces the grinding time. The high energy input in combination with the unique cooling system provides perfect conditions for effective mechanical alloying or grinding down to the nanometer range. A wealth of safety features such as the integrated safety…

High Energy Ball Mill Emax The Emax is an entirely new type of ball mill for high energy milling. The unique combination of high friction and impact results in extremely fine particles within the shortest amount of time. The high energy input is a result of an unrivaled speed of 2000 min-1 and the optimized jar design. Thanks to the revolutionary cooling system with water, the high energy input is effectively used for the grinding process without overheating the sample. Due to the special grinding jar geometry, the sample is thoroughly mixed which results in a narrow particle size distribution.

Fromw powder to rocks - RETSCH provides the suitable sieve shaker Retsch’s line of sieve shakers is the most comprehensive offering with regards to sieving motions, measuring ranges and sieve diameters, thus covering virtually any bulk material – from agglomerating powders to solid rocks. Lately, two new models have been added to the range: The new Air Jet Sieve AS 200 jet is particularly suitable for sieve cuts of powdered materials which require efficient dispersion and desagglomeration. The option to store up to 10 SOP and the automatic vacuum regulator (accessory) guarantee reproducible and meaningful results. Innovative features such as the Open Mesh function, the selection of the nozzle speed as well as optional use of standard 2` high test sieves perfects the new air jet technology. With the sieve shaker AS 450 control RETSCH have designed their first siever for 400 mm and 450 mm sieves which operates with a three-dimensional sieving motion. It can be used for dry and wet sieving. The optimized electromagnetic drive…

In many industries, particle shape is of great importance for the production process. For quality assurance purposes it is sometimes vital to detect differences in the particle shape of different charges as it may have a huge influence on certain product characteristics, e.g. flow behaviour or abrasion, and can therefore help to draw conclusions on flaws in the production process. To determine the particle size and shape reliably and reproducibly, digital image analysis – such as is used in Retsch Technology’s CAMSIZER - is the method of choice. The CAMSIZER® analyses the particle size and shape of dry bulk materials in a size range from 30 µm to 30 mm. With its unique, patented two-camera system it records up to 10,000 particles per second, with an unrivaled dynamic size range. It reliably detects defective or broken particles as well as differences in the particle shape, such as agglomerations. The following shape parameters can be analysed: • Elongation;…

RETSCH's PM 100 CM grinds samples in centrifugal mode The new Planetary Ball Mill PM 100 CM offers all the performance and convenience of the classic PM 100. It pulverizes and mixes soft, medium-hard to extremely hard, brittle and fibrous materials and is used wherever the highest degree of fineness down to the submicron range is required. It is suitable for dry and wet grinding. In contrast to the PM 100 the speed ratio of sun wheel to grinding jar is 1:-1, i.e. the mill operates in centrifugal mode. This results in a different ball movement so that the sample is not so much crushed by impact effects but more gently ground by pressure and friction which allows for a lower temperature rise in the grinding jar and less abrasion. The PM 100 CM offers an excellent alternative for all applications where size reduction must not necessarily be carried out with maximum energy input. Benefits: - powerful and quick grinding down to nano range - reproducible results due to energy and speed control - suitable for long-term…

Optical particle analysis with CAMSIZER XT Retsch Technology’s CAMSIZER XT determines particle size and particle shape with the help of Dynamic Image Analysis.The analyzer extends the application range of the well-proven CAMSIZER towards smaller particle sizes and agglomerating materials. Many new customers in Germany and other countries are using the CAMSIZER XT for applications from a wide range of areas such as construction materials, food or pharmaceutical products. The possibility to analyze not only the particle size (in a range from 1 µm to 3 mm) but also the particle shape is perceived as an important benefit. The various convenient dispersion options allow for perfect adaptation of the analyzer to the user’s requirements. The new CAMSIZER XT is characterized by: Precision • Dynamic Image Analysis with wide measuring range from 1 µm to 3 mm • Simultaneous determination of particle size and particle shape • Sensitive detection of oversized and undersized particles Efficiency •…

RETSCH has further perfected the compact bench top model of the jaw crusher series. The new BB 50 offers many features which ensure efficient and convenient usage. The speed can be set between 550 and 950 min-1 to allow for perfect adaptation to sample requirements. Another advantage is the so-called zero-point adjustment which helps to compensate for wear of the breaking jaws. Operating the BB 50 is simple and safe. The large hopper facilitates material feed, the capacity of the collecting receptacle has been doubled. The fold-back hopper can be easily removed without using tools, just like the crusher arm. The breaking jaws can be replaced by the user as well. The space-saving unit fits on any laboratory bench and crushes smaller sample volumes with a feed size of up to 40 mm to a final fineness of approximately 0.5 mm, depending on material properties. There is no other instrument in the market to achieve this in a single operation! Breaking jaws and wearing plates…

Laboratory mill with autofill system for LN2 For size reduction of sample materials which cannot be processed at room temperature, RETSCH’s CryoMill is the ideal choice. An integrated cooling system ensures that the grinding jar is continually cooled with liquid nitrogen before and during the grinding process. Thus the sample is embrittled and volatile components are preserved. An Autofill System provides liquid nitrogen in the required amount so that the user never gets into direct contact with the LN2 which makes operating the mill particularly safe. The new CryoMill achieves considerably improved grind sizes thanks to the increased oscillating frequency of 30 Hz. Another new feature is the possibility to store up to 9 SOPs. Further improvements include a reinforced housing, optimized liquid nitrogen duct and new accessories such as an adapter for 6 reaction vials and a 10 ml grinding jar. The mill can also be operated without cooling which makes it suitable for a vast range of applications. NEW: • Oscillating…

RETSCH"s Planetary Ball Mill PM 100 CM The new Planetary Ball Mill PM 100 CM offers all the performance and convenience of the classic PM 100. It pulverizes and mixes soft, medium-hard to extremely hard, brittle and fibrous materials and is used wherever the highest degree of fineness down to the submicron range is required. It is suitable for dry and wet grinding. In contrast to the PM 100 the speed ratio of sun wheel to grinding jar is 1:-1, i.e. the mill operates in centrifugal mode. This results in a different ball movement so that the sample is not so much crushed by impact effects but more gently ground by pressure and friction which allows for a lower temperature rise in the grinding jar and less abrasion. The PM 100 CM offers an excellent alternative for all applications where size reduction must not necessarily be carried out with maximum energy input.

Ideally suited for temperature-sensitive materials For the grinding of solids the use of a cyclone can be beneficial, depending on the material properties. The rotation of the mill’s rotor or a connected vacuum cleaner produces a rotating air flow inside the cyclone, thus optimizing the air throughput. As a result, sample and grinding tools are cooled and material discharge is improved. These effects are particularly beneficial when grinding temperature-sensitive materials. Further advantages are the convenient recovery of the sample material as well as the possibility to process larger sample volumes. RETSCH’s line of laboratory mills includes various models which can be equipped with a cyclone. Whereas the rotor mill TWISTER has an integrated cyclone, the Ultra Centrifugal Mill ZM 200 can be optionally equipped with a cyclone and collecting vessels of various sizes. For the RETSCH Cutting Mills a combination of cyclone and vacuum cleaner is available. Benefits at a glance: • Optimized air throughput •…

Cryogenic Grinding – Safe and Efficient with RETSCH’s CryoMill RETSCH presents the new CryoMill generation at this year’s ACHEMA! The CryoMill has been specially designed for cryogenic grinding. An integrated cooling system ensures that the grinding jar is continually cooled with liquid nitrogen before and during the grinding process. Thus the sample is embrittled and volatile components are preserved. Thanks to the Autofill System, liquid nitrogen is continually refilled in the exact amount which is required to keep the temperature at –196 °C. The user never gets into direct contact with the LN2 which makes operating the mill particularly safe. The new CryoMill achieves considerably improved grind sizes thanks to the increased oscillating frequency of 30 Hz. Another new feature is the possibility to store up to 9 SOPs. Further improvements include a reinforced housing, optimized liquid nitrogen duct and new accessories such as an adapter for 6 reaction…

The new vibratory sieve shaker AS 450 basic from RETSCH RETSCH offer the most comprehensive range of sieve shakers world-wide, providing the ideal instrument for any type of material, from agglomerating powders to pebble stones. The new vibratory sieve shaker AS 450 basic now enhances the product range by a budget priced model for sieving large quantities up to 15 kg. The siever accepts sieve diameters up to 450 mm and covers a measuring range from 25 µm to 125 mm. Time and amplitude are digitally set, ensuring the reproducibility of the sieving process. The AS 450 basic is the economical solution for users who need to sieve larger amounts of dry material with reliable results. For more demanding requirements such as calibration certificate, wet sieving or processing up to 25 kg of sample material, the AS 450 control is the sieve shaker of choice. Benefits AS 450 basic: • Efficient electromagnetic drive with 3D movement • Digital setting of time and amplitude • Suitable for dry sieving • Excellent separation…

with RETSCH”s Vibratory Disc Mill RS 200 For the rapid size reduction to analytical fineness of hard, brittle and tough materials, the new Retsch Vibratory Disc Mill RS 200 is the product of choice. The new model grinds samples such as minerals, cement, concrete, soils and also electronic scrap not only extremely fast but also with excellent reproducibility. The new features include: • Optimized drive kinematics: The main directional movement of the drive train is secured in a plane which prevents the jar from gyrating or tumbling. This leads not only to increased reproducibility but also to an extremely quick formation of the movement pattern inside the jar and thus to very short grinding times. • New operating concept: All grinding parameters can be set via one single button, the current settings can be read off a graphics display. For the RS 200 up to 10 parameter combinations can be stored. • Improved grinding sets: The grinding set geometry was further optimized to increase the…

The new particle analyzer CAMSIZER XT The quality control of fine powders can be substantially improved with the CAMSIZER XT: More precise and faster analysis of particle size and particle shape helps to improve product quality, reduce rejects and save costs. The CAMSIZER XT is an advancement of the well-proven optical measurement system CAMSIZER for finer samples. It not only features newly developed optics with a higher resolution but also enhanced options for sample feeding. Fine particles tend to agglomerate which makes it difficult to detect the geometric dimensions of each individual particle. It is therefore beneficial to have various possibilities of feeding the sample to the measurement area, finding for each material the best way to separate the agglomerates without destroying the primary particles. The CAMSIZER XT provides flexible solutions: from the free fall mode, which is the most gentle method for the material, to air pressure dispersion with adjustable pressure and variable nozzle geometry…

RETSCH"s new sample dividers A faultless and comparable analysis is closely linked to accurate sample handling. Only a sample representative of the initial material can provide meaningful analysis results. This can be achieved by using a rotating sample divider, such as RETSCH’s new PT 100. It divides the sample so exactly that the composition of each of the 6, 8 or 10 fractions corresponds exactly to that of the original bulk sample. This applies both for fine-powdered and coarse materials up to 10 mm feed size. The material feed and dividing processes take place automatically and without loss of material. The new rotary tube divider PT 200 allows for the representative, dust-free division and reduction of larger volumes of bulk goods. The ratio of the fractions is freely adjustable. Both dividers feature digital time setting and comfortable quick-release clamps. Retsch is the leading solution provider for neutral-to-analysis sample preparation and characterization of solids. On the basis…

RETSCH cutting mills are powerful size reduction tools which are used for grinding difficult materials such as electronic scrap, tires or wood down to a final fineness below 1 mm. RETSCH offer a complete product family of cutting mills: the economically priced basic unit SM 100, the versatile standard model SM 200 and the high-performance model SM 300 with additional flywheel mass (RES technology) and variable speed. The mills provide maximum operating convenience and safety and are quickly and easily cleaned. The wide selection of accessories, including hoppers, rotors and sieves as well as the cyclone-suction-combination allow for perfect adaptation to application requirements. The RETSCH cutting mills are now presented in a new product video which demonstrates the technical principle, safety features and applications in a descriptive way. Benefits cutting mills: • Powerful size reduction with high torque • Comfortable operation; quick and easy cleaning •…

Horiba LA-950 The laser granulometer LA-950 excels by a combination of extremely wide measuring range, simple operation and high measurements accuracy. An analysis with this instrument, including sample preparation, measurement and cleaning, only takes 1 minute. Every step of the process is carried out fully automatically thanks to easily programmable Standard Operating Procedures (SOPs). With the LA -950 particle size distributions from 10 nm to 3 mm can be measured without the need to switch the measuring range or change lenses. The software allows comprehensive analyses and evaluations as required in science, research and development. All process steps can be automated in such a way that the LA -950 is also suitable for quality control routine measurements. ADVANTAGES: ■ Single measuring range 10 nm 3 mm ■ Complete analysis process only takes 1 minute ■ Wet and dry measurement ■ Software provides optimization of measurement and evaluation parameters ■…

with Retsch"s Air Jet Sieve AS 200 jet The new Air Jet Sieve AS 200 jet is particularly suitable for sieve cuts of powdered materials which require efficient dispersion and desagglomeration. An industrial vacuum cleaner generates a jet of air which disperses the particles on the sieve through a slotted nozzle. The material which passes the sieve is transported to the vacuum cleaner or to a cyclone for recovery. The option to store up to 10 SOPs and the automatic vacuum regulator (accessory) guarantees reproducible and meaningful results. Innovative features such as the Open Mesh function, the selection of the nozzle speed as well as optional use of standard 2" high test sieves perfects the new air jet technology. The procedure is very gentle on the material, the average sieving time only takes 2-3 minutes. Benefits: • Gentle sieving with short sieving times • Reproducible results due to Open Mesh Function • Suitable for 203 mm (8 ‘’) test sieves • Automatic vacuum regulation…

Quick and gentle grinding RETSCH’s powerful and versatile ZM 200 offers the ultimate in performance and operating comfort. It is used for the rapid size reduction of soft to medium-hard and fibrous materials down to 40 microns. Because of the efficient size reduction technique and the comprehensive range of accessories the ZM 200 ensures the gentle preparation of analytical samples in a very short time. For applications which require an optimum air throughput (e. g. heat sensitive materials) or if larger sample volumes need to be processed, the use of a cyclone is recommended. RETSCH offers a re-designed cyclone with improved functionalities for collector volumes from 250 ml to 5 liters which adds to the ZM 200’s great flexibility. Thanks to the wide range of accessories with different rotors, ring sieves and collectors, the ZM 200 can be easily adapted to suit a wide range of applications such as, for example, heavy-metal-free grinding, size reduction of abrasive materials or processing…

Technology - Applications - Operation In a new product video Retsch Technology present the technology and the convenient operation of the optical particle analyzer Camsizer XT. The CAMSIZER XT is an advancement of the well-proven optical measurement system CAMSIZER for fi ner samples. It not only features newly developed optics with a higher resolution but also enhanced options for sample feeding. Fine particles tend to agglomerate which makes it difficult to detect the geometric dimensions of each individual particle. It is therefore benefi cial to have various possibilities of feeding the sample to the measurement area, fi nding for each material the best way to separate the agglomerates without destroying the primary particles. The CAMSIZER XT provides fl exible solutions: from the free fall mode, which is the most gentle method for the material, to air pressure dispersion with adjustable pressure and variable nozzle geometry and, additionally, a wet module in which particles are dispersed in liquids,…

RETSCH ‘s new cyclone mill TWISTER is specially designed for the processing of foods and feeds for subsequent NIR analysis. The optimized form of rotor and grinding chamber generates an air jet which carries the ground sample through the integrated cyclone into the sample bottle. The air jet prevents the material from heating up, thus preserving the moisture content. The provided sieves guarantee an optimum particle size distribution so that it is not necessary to recalibrate the NIR spectrometer. The rotor speed can be adjusted in 3 steps allowing for perfect adaptation to the sample requirements. Cleaning the mill is quick and easy as the air jet effects a complete discharge of the material from the grinding chamber. This new cyclone mill in proven RETSCH quality optimizes the reproducible sample preparation to NIR analysis thus allowing for meaningful and reliable analysis results. Advantages: • Ideal for grinding feeds, grains, forage and similar…

with RETSCH"s sieve shaker AS 450 control Particle analysis of large quantities of bulk goods is usually done by vibratory sieving. In most vibratory sieve shakers in the market the sieve stack is mounted on springs which oscillate vertically. However, to evenly distribute the material over the entire sieve surface, the so called 3D vibratory sieving as it is used in the AS 450 control is the most suitable method. This is characterized by a circular motion superimposing the vertical throwing motion so that the sample material is moved over the whole sieve. The video illustrates the advantages of the three-dimensional sieving motion and of the CET technology patented by RETSCH in comparison to conventional sieve shakers.

RETSCH"s Vibratory Disc Mill RS 200 For the rapid size reduction to analytical fineness of hard, brittle and tough materials, the new Retsch Vibratory Disc Mill RS 200 is the product of choice. The new model grinds samples such as minerals, cement, concrete, soils and also electronic scrap not only extremely fast but also with excellent reproducibility. The new features include: • Optimized drive kinematics: the main directional movement of the drive train is secured in a plane which prevents the jar from gyrating or tumbling. This leads not only to increased reproducibility but also to an extremely quick formation of the movement pattern inside the jar and thus to very short grinding times. • New operating concept: All grinding parameters can be set via one single button, the current settings can be read off a graphics display. For the RS 200 up to 10 parameter combinations can be stored. • Improved grinding sets: the grinding set geometry was further optimized to increase the energy input…

The quality control of fine powders in a size range from 1 µm to 3 mm can be substantially improved with the new CAMSIZER XT: More precise and faster analysis of particle size and particle shape helps to improve the product quality, reduce rejects and save costs. The design of the Camsizer XT is based on the well-proven optical particle measurement system Camsizer but is optimized for finer samples. Not only the improved optical resolution but also new options for material feeding allow for an extended application range. Fine particles tend to agglomerate which makes it difficult to record the properties of a single particle. Therefore, it is important to have various possibilities of feeding the sample to the analysis area to be able to find for each material the optimum between the desired dispersion of the agglomerates and the undesired destruction of the individual particle. The CAMSIZER XT offers three alternative dispersion methods: Pourable, not agglomerated…

RETSCH"s new SM 300 RETSCH have extended their range of cutting mills by a new model which combines powerful size reduction with very easy handling. The new cutting mill SM 300 can be perfectly adapted to many different – and also difficult - size reduction tasks thanks to the variable speed from 700 to 3,000 rpm. The powerful 3 kW drive with additional flywheel mass and a high torque ensure excellent grinding results so that even heterogeneous sample mixtures are no longer a problem! Another advantage of the SM 300 is the easy access to the grinding chamber for cleaning: the housing is simply folded back and the push-fit rotor can be removed without tools. This only takes a few seconds. The cutting mill SM 300 can be equipped with a wide range of accessories, among them a cyclone-suction-combination. Benefits at a glance: • Powerful size reduction thanks to 3 kW drive with additional flywheel mass • Perfect adaptation to application requirements by variable speed from 700…

Optical Particle Analysis with the new CAMSIZER XT from Retsch Technology The quality control of fine powders can be substantially improved with the new CAMSIZER XT: More precise and faster analysis of particle size and particle shape helps to improve the product quality, reduce rejects and save labor costs, energy and raw materials. The design of the Camsizer XT is based on the well-proven optical particle measurement system Camsizer but is optimized for finer samples. Not only the improved optical resolution but also new options for material feeding allow for an extended application range. Fine particles tend to agglomerate which makes it difficult to record the properties of a single particle. Therefore, it is important to have various possibilities of feeding the sample to the analysis area to be able to find for each material the optimum between the desired dispersion of the agglomerates and the undesired destruction of the individual particle. The CAMSIZER XT offers flexible solutions, from the free fall mode, which is the most gentle…

with the air jet sieving machine AS 200 jet The new air jet sieve AS 200 jet is particularly suitable for low density materials with particle sizes in the lower micron range. It is used with 203 mm (8’’) sieves of 10 microns mesh size or more. An industrial vacuum cleaner generates a jet of air which disperses the particles on the sieve through a slotted nozzle. The material which passes the sieve is transported to the vacuum cleaner or to a cyclone for recovery. The procedure is very gentle on the material, the average sieving time only takes 2-3 minutes. A special feature of the AS 200 jet is the Open Mesh Function which helps to greatly reduce the number of near-mesh particles. This provides optimum separation efficiency and also excellent reproducibility. Operation of the sieving machine is very simple. The Quick Start Mode allows to start the sieving process without previous programming. Benefits at a glance: • Gentle sieving with short sieving times • Reproducible results due to Open Mesh…

The new vibratory sieve shaker AS 450 control accepts loads of up to 20 kg With the analytical sieve shaker AS 450 control RETSCH have designed their first siever for 400 mm and 450 mm sieves which operates with a three-dimensional sieving motion. It can be used for dry and wet sieving. The optimized electromagnetic drive allows for an amplitude up to 2.2 mm which renders the separation process much more effective than with other sieve shakers of this type. Reproducibility plays an important role: The amplitude - which is independent of the sieve load - is continually adjusted. The three-dimensional sieving motion lets the sample material move equally over the complete sieving surface. This results in high load capacity, extremely smooth operation and short sieving times with high separation efficiency. When it comes to operating comfort, the AS 450 control meets all the requirements of a modern laboratory. All parameters such as amplitude, time and interval are digitally set, displayed and controlled. It is possible to store up to 9 parameter…

The new PM 100 CM allows for gentle size reduction with less temperature rise The new Planetary Ball Mill PM 100 CM offers all the performance and convenience of the classic PM 100. It pulverizes and mixes soft, medium-hard to extremely hard, brittle and fibrous materials and is used wherever the highest degree of fineness down to the submicron range is required. It is suitable for dry and wet grinding. In contrast to the PM 100 the speed ratio of sun wheel to grinding jar is 1:-1, i.e. the mill operates in centrifugal mode. This results in a different ball movement so that the sample is not so much crushed by impact effects but more gently ground by pressure and friction which allows for a lower temperature rise in the grinding jar and less abrasion. The PM 100 CM offers an excellent alternative for all applications where size reduction must not necessarily be carried out with maximum energy input. New Measuring System PM GrindControl When planetary ball mills are used for processes such as mechanical alloying or chemical syntheses, it…

The new air jet sieve AS 200 jet is particularly suitable for low density materials with particle sizes in the lower micron range. It is used with 203 mm (8’’) sieves of 10 microns mesh size or more. An industrial vacuum cleaner generates a jet of air which disperses the particles on the sieve through a slotted nozzle. The material which passes the sieve is transported to the vacuum cleaner or to a cyclone for recovery. The procedure is very gentle on the material, the average sieving time only takes 2-3 minutes. A special feature of the AS 200 jet is the Open Mesh Function which helps to greatly reduce the number of near-mesh particles. This provides optimum separation efficiency and also excellent reproducibility. Operation of the sieving machine is very simple. The Quick Start Mode allows to start the sieving process without previous programming. Benefits at a glance: • Gentle sieving with short sieving times • Reproducible results due to Open Mesh…

To determine the particle size and shape reliably and reproducibly, digital image analysis – such as is used in Retsch Technology’s CAMSIZER - is the method of choice. The CAMSIZER® analyses the particle size and shape of dry bulk materials in a size range from 30 µm to 30 mm. With its unique, patented two-camera system it records up to 10,000 particles per second, with an unrivaled dynamic size range. It reliably detects defective or broken particles as well as differences in the particle shape, such as agglomerations. The following shape parameters can be analysed: • Elongation; Aspect- or Width-/Length-Ratio • Convexity • Roundness • Symmetry The CAMSIZER® delivers convenient, reliable and fast particle analysis online, at-line or in the laboratory. The measurement results are evaluated and displayed in real time, the average measurement time is less than 3 minutes. A highly interesting feature is the single frame analysis together with…

The RETSCH product range of laboratory mills includes three Planetary Ball Mills which meet and exceed demands for quick and reproducible grinding of solids down to the submicron range: · Benchtop model PM 100 CM with 1 grinding station · Benchtop model PM 200 with 2 grinding stations · Floor model PM 400 with 4 grinding stations for up to 8 samples – this mill was completely redesigned and now offers new features such as power failure backup The construction of the mills allows for maximum energy transfer, so even the most difficult materials can be ground without problems. They are also suitable for mechanical alloying and meet all the technical requirements for colloidal grinding. The RETSCH Planetary Ball Mills convince with their top-quality grinding results combined with the highest degree of operating comfort. They are used for grinding samples such as minerals, ores, alloys, ceramics, soils and waste down to a fineness of approx. 0.1 µm. The grinding…

RETSCH have extended their range of cutting mills by a new model which combines powerful size reduction with very easy handling. The new cutting mill SM 300 can be perfectly adapted to many different – and also difficult - size reduction tasks thanks to the variable speed from 700 to 3,000 rpm and a very high torque. This mill tackles heterogeneous sample mixtures without any problems! Another advantage of the SM 300 is the easy access to the grinding chamber for cleaning: the housing is simply folded back and the push-fit rotor can be removed without tools. This only takes a few seconds. The cutting mill SM 300 can be equipped with a wide range of accessories, among them a version for heavy-metal-free sample preparation. Benefits at a glance: · Perfect adaptation to application requirements thanks to a variable speed up to 3,000 rpm · High torque, high throughput · Optimum grinding chamber design without dead spaces · Quick access to grinding chamber…

RETSCH will present their latest product generation 2009 at ACHEMA. One of the highlights is the new CryoMill which was designed for efficient grinding with liquid nitrogen. This mill features a closed circulation system with automatic cooling of the grinding jar which makes it particularly safe to handle. A product innovation from the area of particle size analysis is the 3-D sieve shaker AS 450 which separates up to 20 kg of sample material. Due to an extremely high amplitude, this siever achieves excellent separation efficiency with short sieving times. Further new products which will have a world premier at Achema are the powerful Cutting Mill SM 300 with variable speed, the Knife Mill GM 300 for sample volumes up to 3.5 l and the air jet sieve AS 200. RETSCH will also have a competition at their booth with many valuable prizes. RETSCH at ACHEMA: Hall 5.1, Stand D18 – E20

For all particle size analyses where contamination of the sample with solder or epoxy must be avoided, RETSCH test sieves, which feature electro-welded mesh, are the products of choice. Thanks to the transition free one-piece construction of the sieve frame no foreign materials are involved in the process and there are no grooves where material might get caught. RETSCH test sieves are produced fully automatically, a process which is unique in the world. This allows for a previously unattained high quality and consistency of the sieves. In addition, a logistic manufacturing system makes it possible to record each and every material used in the process. RETSCH sieves comply with all prevalent international standards such as DIN ISO, ASTM and BS. The benefits at a glance: · Ultra-tight sieve fabric · Maximum corrosion resistance thanks to high-grade alloy steel (316L) · Autoclaveable o-rings for quiet operation and dust-tight sieve stack · 15 % lighter…

New RETSCH Sieve Shaker AS 450 for sieve loads up to 20 kg With the analytical sieve shaker AS 450 RETSCH have designed their first siever for 400 mm and 450 mm sieves which operates with a three-dimensional sieving motion. It can be used for dry and wet sieving. The optimized electromagnetic drive allows for an amplitude up to 2.2 mm which renders the separation process much more effective than with other sieve shakers of this type. Reproducibility plays an important role: The amplitude - which is independent of the sieve load - is continually adjusted. The three-dimensional sieving motion lets the sample material move equally over the complete sieving surface. This results in high load capacity, extremely smooth operation and short sieving times with high separation efficiency. When it comes to operating comfort, the AS 450 meets all the requirements of a modern laboratory. All parameters such as amplitude, time and interval are digitally set, displayed and controlled. It is possible to store up to 9 parameter combinations…

New RETSCH Sieve Shaker AS 450 for sieve loads up to 20 kg With the analytical sieve shaker AS 450 RETSCH have designed their first siever for 400 mm and 450 mm sieves which operates with a three-dimensional sieving motion. It can be used for dry and wet sieving. The optimized electromagnetic drive allows for an amplitude up to 2.2 mm which renders the separation process much more effective than with other sieve shakers of this type. Reproducibility plays an important role: The amplitude - which is independent of the sieve load - is continually adjusted. The three-dimensional sieving motion lets the sample material move equally over the complete sieving surface. This results in high load capacity, extremely smooth operation and short sieving times with high separation efficiency. When it comes to operating comfort, the AS 450 meets all the requirements of a modern laboratory. All parameters such as amplitude, time and interval are digitally set, displayed and controlled. It is possible to store up to 9 parameter combinations…

Retsch`s Ultra Centrifugal Mill ZM 200 The powerful and versatile ZM 200 combines maximum performance with ease of use. This rotor mill allows for extremely rapid size reduction of a vast range of materials which considerably increases the sample throughput in the sample prep laboratory. The grinding tools can be cleaned easily and quickly so that cross contamination due to frequently changing sample materials can be successfully avoided. Thanks to the patented cassette system, 100% sample recovery is guaranteed. The two-step size reduction process by shearing and impact forces allows for rapid and gentle grinding down to a fineness which usually ranges between 100 and 500 micrometers. Due to the wide selection of accessories which include different rotors, ring sieves and cassettes, the ZM 200 can be adapted to a great variety of size reduction tasks. In many industries – such as feed stuffs or powder coatings – the ZM 200 has become the standard in sample preparation. · Powerful drive with speed…

Digital image processing as it is used in the CAMSIZER® by Retsch Technology is one of the most accurate methods to determine the particle size distribution of flowable bulk goods. It has become a well established method in addition to sieve analysis and laser diffraction in the size range of 30 µm to 30 mm and exceeds their capabilities with regards to precision, reproducibility and obtained information by far. With the CAMSIZER, the sample is fed in from a feed channel so that all particles fall through the measurement field. During the measurement procedure two digital cameras (CCD) perform different tasks. The Basic Camera (CCD-B) detects large particles whereas the Zoom Camera (CCD-Z) records the small ones. The contact-free optical measurement is carried out in real time and simultaneously obtains all the required information about the particle size. A digital picture is taken of each particle so that in addition to the particle size it is also possible…

RETSCH presents new mills and sieve shakers Retsch, the experts in milling and particle characterization, present new product innovations at this year’s POWTECH. The versatile Mixer Mill MM 400 grinds, mixes and homogenizes two samples at the same time and can even process up to 20 samples simultaneously with adapters. This all-rounder is suitable for a great variety of materials such as ceramics, glass, soils, minerals, drugs or plastics. Thanks to the screw-top grinding jars the MM 400 can also be used for wet and cryogenic grinding. Another highlight is the Planetary Ball Mill PM 100 CM which operates in the centrifugal mode. Size reduction to the nano range is effected by friction and pressure which helps to reduce the temperature inside the grinding jar. To monitor the processes which occur during grinding, Retsch offers the new measurement system PM GrindControl which is used to document pressure and temperature inside the grinding jar. For particle size analysis Retsch presents the new sieve shaker…

Analytical Sieve Shaker AS 300 control The AS 300 control is ideally suitable for the rapid and reliable sieve analysis of sample amounts up to 6 kilograms in one working run. As it is particularly designed for test sieves with a diameter of 305 mm (12’’), the average sieving times can be greatly reduced compared to sieve shakers which are laid out for smaller sieves. Repetitive operations can be greatly simplified with the possibility to store up to 9 parameter combinations. One of the unique features of the AS 300 control is the possibility to eliminate potential influences of error by different sieving frequencies, load or age of the instrument via automatic adjustment of the amplitude. This feature allows for the worldwide reproducibility of the sieve analysis! The AS 300 control can also be used for wet sieving. The benefits of the AS 300 control at a glance: · Sieving with 3D effect · Measuring range 36 µm to 40 mm · 9 parameter combinations can be stored · Short sieving times · Low…

RETSCH`s New Application Database Retsch, the leading manufacturer of laboratory equipment for milling and sieving, offers free trials to find out which instrument is best suited for a particular application. Out of more than 15,000 test grindings, the most frequent applications have been selected. The anonymized test reports of these trials are now available for download in the extensive online data base on the website www.retsch.com/applicationdatabase. The documents dealing with such different sample materials as algae, bones, tires or iron ore help the user to get a first orientation as to which mill might be suitable for his specific size reduction task. The well-structured data base allows to search by material, instrument, application field or feed size. Access to Retsch’s online data base is completely free, no registration or login is required.

The PM 100 CM allows for gentle size reduction with less temperature rise The new Planetary Ball Mill PM 100 CM offers all the performance and convenience of the classic PM 100. It pulverizes and mixes soft, medium-hard to extremely hard, brittle and fibrous materials and is used wherever the highest degree of fineness down to the submicron range is required. It is suitable for dry and wet grinding. In contrast to the PM 100 the speed ratio of sun wheel to grinding jar is 1:-1, i.e. the mill operates in centrifugal mode. This results in a different ball movement so that the sample is not so much crushed by impact effects but more gently ground by pressure and friction which causes less abrasion. The PM 100 CM offers an excellent alternative for all applications where size reduction should not be carried out with maximum energy input.

The combination of high final fineness and excellent crushing ratio in RETSCH jaw crushers helps to increase the efficiency of crushing and pre-crushing of hard and brittle materials for subsequent analysis or further fine grinding in laboratories and industrial plants. There are four different models of jaw crushers, from the laboratory-scale BB 51 to the largest crusher BB 300 which is also available as a process line version. With feed sizes between 35 and 150 mm, the jaw crushers can achieve a final fineness of down to 0.5 mm, depending on the model. Continuous gap width and zero-point adjustment: RETSCH jaw crushers offer operational features which allow for reproducible crushing processes and wear compensation. The gap width can be continuously adjusted so that a new zero-point can be easily obtained. Thus it is possible to compensate for the increasing breaking jaw distance due to wear. In contrast to crushers whose gap width can only be set in fixed…

Finally, a top-quality tap sieve shaker is available which meets RETSCH’s high product standards: the AS 200 tap! The combination of horizontal circular sieving motion with vertical tapping motion is specified in various standards for particle analysis (abrasives, cement, spices etc.). The uniform mechanical sieving motion produces reliable and reproducible measurement results and, being independent of the power frequency, makes the sieve analysis comparable world wide. The AS 200 tap is a robust instrument which does not require maintenance. It covers a measurement range from 20 µm to 25 mm. A serial interface allows for automated evaluation with the software EasySieve®. More information at www.retsch.com.

Errors in sample preparation, above all in dividing the laboratory sample, accumulate in the course of the process and cannot be compensated, even by the most up-to-date analytical instruments. Only the exact division of the entire sample into representative fractions will guarantee exact and unbiased analytical results! RETSCH offer a range of instruments for the representative sample division of bulk materials which operate with different functional principles. Scientific investigations have proven that rotating rifflers, such as RETSCH’s PT 100, are the most accurate systems. Inhomogeneous samples up to 5000 ml can be fed to the PT 100 via the Vibratory Feeder DR 100. After the division, the composition of each fraction of the sample corresponds exactly to that of the original bulk sample. This is a crucial precondition for meaningful and reliable analysis results. The benefits of the PT 100 at a glance: · Extremely high division accuracy · Modular design · Extraction…

The New Vibratory Disc Mill RS 200 For the rapid size reduction to analytical fineness of hard, brittle and tough materials, the new Retsch Vibratory Disc Mill RS 200 is the product of choice. The new model grinds samples such as minerals, cement, concrete, soils and also electronic scrap not only extremely fast but also with excellent reproducibility. The new features include: · Optimized drive kinematics: the main directional movement of the drive train is secured in a plane which prevents the jar from gyrating or tumbling. This leads not only to increased reproducibility but also to an extremely quick formation of the movement pattern inside the jar and thus to very short grinding times. · New operating concept: All grinding parameters can be set via one single button, the current settings can be read off a graphics display. For the RS 200 up to 10 parameter combinations can be stored. · Improved grinding sets: the grinding set geometry was further optimized to increase the energy input…

RETSCH present their new product generation for neutral-to-analysis size reduction and particle characterization of solids at this year’s POWTECH in Nuremberg: • The optical particle measurement system CAMSIZER® for the precise and efficient particle analysis with increased resolution in the micron range • The Planetary Ball Mill PM 400 with stronger performance and comfortable 1-button operation • The Mortar Grinder RM 200, the high-tech successor of the classic “Retsch Mill” • The Vibratory Disc Mill RS 200 which guarantees reproducible results with optimized grinding performance • The hydraulic Pellet Press PP 200 with a pressure of 40 tons • And the new Rapid Dryer TG 200 which dries the sample material without localized overheating and provides a loose, thoroughly mixed product. The instruments were not only completely redesigned. Proven components of other mills, such as the 1-button operation with graphic display have now also…

RETSCH sieve shakers, test sieves and optical particle analyzer CAMSIZER are used in quality control labs all over the world for precise and reliable particle characterization. For this range of products RETSCH starts the new “Gold Rush” campaign. It includes two special offers for all orders placed between 1 October 2006 and 31 March 2007: · With each RETSCH sieve shaker the evaluation software EasySieve® standard comes for free · Each RETSCH superior quality sieve comes with a free inspection certificate On top of these offers, everyone who visits the website www.retsch.com/goldrush and takes part in the big raffle can find his personal gold mine and win 1 kilo of pure gold or one of the valuable monthly prizes! Retsch is a global company dedicated to providing novel technologies and high quality tools for the sample preparation of solids used in R&D and QA applications as well as small scale production.

The robust floor models SR 200, SR 300 and SK 100 from RETSCH are suitable for the coarse and fine grinding of soft, fibrous and also hard materials. A final fineness of down to 40 µm (depending on the material) can often be achieved in the first working step. The Rotor Beater Mills are available in two speed versions; the efficient comfort model SR 300 allows for a significantly higher throughput with a larger fraction of fine material. The mills are suitable for crushing construction materials, chemicals, coal, feed pellets, pharmaceuticals and many other materials. For the size reduction of samples with a high oil or fat content, a special distance rotor was developed. The larger grinding gap ensures a reduction in frictional heat, thus allowing for excellent grinding results. The Cross Beater Mill SK 100 comfort offers high throughput performance with a final fineness down to 80 µm (depending on the material). It is suitable for crushing hard and…

The CAMSIZER provides high precision particle size and particle shape analysis of powders and granules in a measuring range from 30 µm to 30 mm. The latest developments in camera and light source technology have been integrated into the new CAMSIZER which was presented at Achema 2006 for the first time. The new features at a glance: · New optics with 100% higher resolution and extreme depth of sharpness allow for even better size and shape analysis throughout the entire size range · Optimized, process-oriented software in various languages · Excellent compatibility to sieve analysis thanks to newly developed fitting algorithms The CAMSIZER provides measuring results which are 100% compatible to those of traditional sieve analysis, regardless if the size distribution is close, wide or multi-modal. Moreover, it offers some important advantages such as additional information about particle shape and storage of the measuring results in…

Double resolution, optimized software, excellent reproducibility and 100% compatibility to sieve analysis results - that`s the new CAMSIZER for particle size and particle shape analysis. ·New optics with extreme depth of sharpness allow for even better size and shape analysis, also for the very fine size range. The CCD cameras in the new CAMSIZER now operate with a 100% higher resolution which means that more than 45 megapixels are measured per second. The intensity of the new LED-stroboscope light source is 20 times higher than that of the light source of the predecessor. Extremely short exposure times allow for pin sharp images. The new CAMSIZER provides an excellent resolution over the complete measuring range from 30 µm to 30 mm.

The new Planetary Ball Mills from RETSCH Retsch presents the Planetary Ball Mills PM 100 and PM 200 which set new standards in this product segment! Optimal and reproducible grinding results are guaranteed thanks to the controlled speed that can be matched to the sample. The construction of the mills offers maximum energy transfer, so even the most difficult materials can be ground without problems. The PM 100 with one and the PM 200 with two grinding places convince with their top-quality grinding results combined with the highest degree of operating comfort. These universal bench-top instruments are used for grinding samples such as minerals, ores, alloys, ceramics, soils and chemicals down to a fineness of approx. 0.5 µm. The grinding jars “Comfort” are available in 6 materials and in sizes of 50, 125, 250 and 500 ml. The new Retsch planetary ball mills offer a high degree of operating comfort. A graphics display, an ergonomic one-button operation and a multilingual user menu simplify handling…

with RETSCH test sieves For all particle size analyses where contamination of the sample with solder or epoxy must be avoided, RETSCH test sieves, which feature electro-welded mesh, are the products of choice. Thanks to the transition free one-piece construction of the sieve frame no foreign materials are involved in the process and there are no grooves where material might get caught. RETSCH test sieves are produced fully automatically, a process which is unique in the world. This allows for a previously unattained high quality and consistency of the sieves. In addition, a logistic manufacturing system makes it possible to record each and every material used in the process. RETSCH sieves comply with all prevalent international standards such as DIN ISO, ASTM and BS. The benefits at a glance: · Ultra-tight sieve fabric · Maximum corrosion resistance thanks to high-grade alloy steel (316L) · Autoclaveable o-rings for quiet operation and dust-tight sieve stack · 15…

from RETSCH The robust floor models SR 200, SR 300 and SK 100 from RETSCH are suitable for the coarse and fine grinding of soft, fibrous and also hard materials. A final fineness of down to 40 µm (depending on the material) can often be achieved in the first working step. The Rotor Beater Mills are available in two speed versions; the efficient comfort model SR 300 allows for a significantly higher throughput with a larger fraction of fine material. The mills are suitable for crushing construction materials, chemicals, coal, feed pellets, pharmaceuticals and many other materials. For the size reduction of samples with a high oil or fat content, a special distance rotor was developed. The larger grinding gap ensures a reduction in frictional heat, thus allowing for excellent grinding results. The Cross Beater Mill SK 100 comfort offers high throughput performance with a final fineness down to 80 µm (depending on the material). It is suitable for crushing hard and brittle…

Measuring Particles More Precisely The use of digital image processing in particle analysis has made significant progress with the availability of new algorithms from Retsch Technology. New developments in their particle analysis system CAMSIZER® make particle size and shape analysis easier and more efficient. The device covers a measuring range of 30 µm to 30 mm. Digital Image Processing for Grain Size and Grain Shape Analysis Only since the introduction of digital image processing into a particle measuring device, has it become possible to precisely measure the shape of particles, thus achieving fast and reliable characterisation of powders and bulk materials for quality assurance. With the new software upgrade it is now possible to compensate for the differences between various measuring techniques and the CAMSIZER® principle. In this way, it is possible to perfectly match the results of the traditional screen analysis, which is often used as a basis for a variety of standards used in digital…

with RETSCH Planetary Ball Mills When producing ultra-fine grinding material with a ball mill, certain stress mechanisms are necessary to ensure that the minute particles can be crushed at all. That is why ultra-fine grinding (colloidal grinding) through mechanical stress is mostly done in liquid media; moreover, it requires a high energy input and pressure and shearing forces which act upon the sample material. The RETSCH Planetary Ball Mill PM 100 meets these requirements. Thanks to the opposite rotation of sun wheel and grinding jar, the large effective sun wheel diameter and the high rotational speed of the sun wheel, the PM 100 possesses the required energy input for the production of nanoparticles. Eventually, the best possible combination of machine parameters and jar fillings determines the success of a colloidal grinding process. Above all, it is the selection of the grinding jar and the ball filling that has a substantial influence on the grinding results. Grinding jars and beads of zirconium…