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Broyeur ultra-centrifuge ZM 200

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Vidéos

'L'échantillon''

No. 33
LA PRÉPARATION D’ÉCHANTILLONS DANS LA PRATIQUE
No. 32
PRÉPARATION D’ÉCHANTILLONS pour l’analyse instrumentale
No. 31
GRAND PRIX Saison 2008 & RETSCH nouveautés
No. 30
Broyeurs et appareils de mesure des particules pour l’analyse environnementale
No. 28
VOYEZ GRAND !
No. 26
Détermination simultanée de la taille et de la forme
Edition Speciale
Edition Speciale
No. 25
Le leader mondiale en broyage et tamisage
No. 24
Retsch présente ses nouveaux broyeurs planétaires à billes
No. 23
Nouvelles Tamiseuses AS 300 et AS 400
No. 21
Nouveaux tamis
No. 01
RETSCH: Worldwide on the spot
No. 04
Focus: Sieving
No. 09
From jelly babies to car tyres...
the new Ultra-Centrifugal Mill ZM 100

No. 12
Particle analysis by digital image processing
No. 14
Preparation and analysis of foodstuffs
No. 15
Preparation and testing of glass an ceramics
No. 17
Environmental Technology
No. 27
Sample Preparation in Biology and Medical Science

Rapport de tests

Détection des mycotoxines dans les noix
Pré-broyage et broyage fin
Analyse des contaminants dans les échantillons biologiques
Le broyage cryogénique facilite la préparation des échantillons d’origine animale
Les métaux lourds dans les jouets
Du broyage à l’analyse
Du plomb dans les jouets ? Un contrôle s’impose.
Une grande partie des jouets vendus sur les marchés américains et européens est fabriquée en Chine. Or ceux-ci connaissent de vives critiques en ce qui concerne la qualité au vu de la présence de matières potentiellement dangereuses, susceptibles d’aboutir à des actions de rappel et réclamations de dommages et intérêts onéreuses. Plus les cas signalés sont nombreux, plus les consommateurs hésitent à acheter des articles venus de Chine, ce qui justifie donc un contrôle sans failles dans l’intérêt des fabricants. Depuis l’entrée en vigueur de la directive européenne RoHS (Restriction of Hazardous Substances), la limitation de l’utilisation dans les biens de consommation de substances telles le plomb, le cadmium ou le mercure, est clairement réglementée.
Analysis of cadmium in plastics
In recent years, mass media have focused on the topics of the environment and environmental conservation. With the advancement in scientific technology, resource development has progressed.
Bigger is not Better
There is a trend towards smaller samples that have more controlled particle size and yet remain representative of the material being analyzed.
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....
Cryogenic Preparation of Sample Materials
Within the context of sample preparation, size reduction plays an important role as it has a substantial influence on the results of the subsequent analysis. If the particles are too coarse or non-homogeneous the results of the analysis may turn out to be incorrect, especially if there is only a very small amount of sample material which represents the total amount.
Los especial del pigmento
Debido a la ilimitada variedad de colores y texturas que ofrencen los recubrimientos en polvo; muchos de los nuevos recubrimientosde aplicación especifica se crean en el laboratorio en pequeñas cantidades que luego se le envían al cliente para su aplicación y aprobación.
Molienda ultrarrápida y ultrafina
El nuevo molino ultracentrífugo ZM 200 de RETSCH es un molino de rotor no sólo extremadamente rápido y cuidadoso con el material molido, sino también de uso universal gracias a su amplia gama de accesorios.
Reliable sample preparation in food technology
An efficient sample preparation procedure for rapid, reliable and reproducible analytical results is becoming increasingly important today. Ever more stringent requirements are being set both in research and production, e.g. for product monitoring and quality control.
Sample Preparation of Electronic Scrap in the Context of RoHS and WEEE
Since August 2004 new EU directives for the disposal of used electrical and electronic appliances as well as the restricted use of certain hazardous substances in these devices have become effective.
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.
Sample Preparation of Solid Materials for the XRF-analysis
X-Ray fluorescence is one of the most versatile methods to determine elements in a sample. The material is exposed to x-rays that cause each element to emit its own unique fluorescent x-ray. The subsequent analysis of the results is based on comparisons to standard samples with given chemical composition.
Sample preparation of electronic scrap with SM 2000 and ZM 200
RETSCH mills in the context of RoHS and WEEE
Size reduction within the context of sample preparation
In general “size reduction” is taken to mean the disintegration of solid substances by mechanical forces without altering their state.
The Representative Sample Preparation of Waste
Now that a certain environmental awareness has developed in the population over the past few years, our efforts are geared not only to avoiding waste, but also to reducing the mountains of waste which still arise by means of raw material recovery and the reintroduction of secondary raw materials into the industrial cycle.
Tracking down hazardous substances (RoHS/WEEE)
Preparing electronic waste for obtaining representative analytical samples.
A solution for converting an electrical appliance into a meaningful analytical sample is described using a remote-controlled toy car as an example.
Von der Probe zum Pressling – Probenvorbereitung von Feststoffen für die Röntgenfluoreszenz
Aufgrund der Einfachheit der eigentlichen RFA-Messung wird häufig der Aspekt der optimalen Probenvorbereitung übersehen, was sich dann in mangelnder Reproduzierbarkeit bis hin zu falschen Ergebnissen auswirken kann.
Zerkleinern von Proben in einem Düngemittellabor
Für die genaue und reproduzierbare Analyse von Düngernährstoff, Spurennährstoffen und Spurenmineralien ist das vorherige Zerkleinern der Probe unverzichtbar. Das Düngerlabor der Division of Regulatory Services der University of Kentucky verwendet zum Homogenisieren der Proben die Ultra-Zentrifugalmühle ZM 200 von Retsch.

Flyers d'application

Revue de presse

Informations techniques

Rapport de tests

Subject to technical modifications and errors