Su aplicación – nuestra solución: Conozca más acerca de la preparación perfecta de muestras en el sector medioambiental. Lea nuestros informes de aplicación con consejos para la fragmentación o bien eche un vistazo a nuestra práctica base de datos de protocolos de molienda que contiene gran número de moliendas con datos detallados. - Encontrará los informes y protocolos de molienda en inglés -
Lead is a toxic heavy metal. Approx. 90 % of the incorporated lead is deposited in the bones and the teeth. Because lead is released very slowly, it will be accumulated over the time in the body. This is dangerous especially for children. The European Norm EN 71-3 regulates the limit of lead in toys. Furthermore the US norm ASTM F 963-07 regulates the concentration of lead in paints and coatings for toys (max. 600 mg/kg).
An adequate sample preparation is necessary to determine if toys fulfil these norms. The first step is to separate the different parts of the sample.
For the pre-grinding we use the Universal Cutting Mill PULVERISETTE 19 or the Power Cutting Mill PULVERISETTE 25. The main advantage of these mills is, that you can remove all grinding parts without an additional tool. This makes them very easy to clean and cross-contaminations are avoided.
The sample preparation showed here was done with a plastic toy. Of course any wooden toy is also applicable.
Download the FRITSCH-report as PDF-file
Detailed grinding reports
