User Manual

Working instructions
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6 Working instructions
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6.1 General
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The CryoMill is an extremely modern, efficient product from Retsch GmbH.
Due to the large selection of accessories, the CryoMill has a wide range of
potential applications in industrial and research laboratories.
It is primarily deployed in the chemical and pharmaceutical area, in mineralogy and
biology etc.
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CAUTION
2.V0004
Risk of explosion or fire
Changing sample properties
– Consider that the properties and therefore also the hazardousness of your
sample can change during the grinding process.
• Do not use any substances in this device which carry the risk of
explosion or fire.
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CAUTION
Danger of personal injury
Dangerous nature of the sample
– Depending on the dangerous nature of your sample, take the
necessary measures to rule out any danger to persons.
• Observe the safety guidelines and datasheets of your
sample material.
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6.2 The grinding process
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• Insert your grinding jar filled with grinding sample and grinding ball/s into the
grinding jar support as described in the chapter "Inserting the grinding jar”.
• Close the hood.
• Set the grinding parameters.
• Open your external liquid nitrogen supply line.
• Start the device.
Do not open the hood during the grinding process.
The grinding jars are brought to a halt immediately by the built-in brake, however
the grinding process can no longer be continued with the remaining grinding time.
The device must be restarted. The original parameters are available here.
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6.3 Quantities of sample material and feed sizes
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Recommended ball filling (unit)