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Tablettenpressen

"die probe"

Nr. 32
PROBENVORBEREITUNG für die Instrumentelle Analytik

Nr. 31
RETSCH Neuheiten & Grand Prix 2008

Nr. 29
Die Gerätegeneration 2007

Fachberichte

Die Probenvorbereitung von Feststoffen für die Spektralanalytik
Die Röntgenfluoreszenz (RFA oder auch x-ray) zählt zu den vielseitigsten Multielementmethoden der chemischen Analytik. Die Grundlagen dieses Verfahrens ist die Anregung der Fluoreszenzstrahlung einer Probe durch energiereiche Röntgenquanten und die anschließende Analyse der charakteristischen Röntgenstrahlung der Elemente.

Cement - representative sample preparation is important
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 that are used 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....

Sample Preparation of Plastics for X-Ray-Fluorescence Analysis
The elemental analysis of plastics has become more and more important. EC directive 91/338/EWG regulates the ban of cadmium in PVC, EC directive 94/62/EC defines limits for cadmium, lead, chromium and mercury in packing materials and EC directive 2000/53/EC defines limits for the same elements in end-of-life vehicles. This has created a strong need for a rapid and reliable testing method.

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