Retsch Cryomill - Manual (Page 26)

Operating the machine
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5 Operating the machine
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5.1 Use of the machine for the intended purpose
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Target group: operating company, operator
Name of machine model: CryoMill
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This machine is a laboratory device and is suitable for the particularly gentle
grinding and homogenisation of heat-sensitive, soft, fibrous, hard and brittle
materials in a dry and wet state.
The CryoMill is designed exclusively for special grinding jars with screw-top lids (no
standard grinding jars) with steel jacket. It is used for the fast pulverization of up to
six samples simultaneously (dpending on the type of grinding jar).
Available grinding jar volumes :
– 50ml;
– 35ml;
– 25ml;
– 10ml;
– 4 x 5ml including adapter; and
– 6 x 2ml Eppendorf vials.
The closed grinding system guarantees complete recovery of the samples . Due to
the extremely short grinding time and the high final fineness of the grinding sample,
the CryoMill is also ideally suitable for sample preparation for all spectral analyses.
Final fineness levels of up to 5 µm can be achieved depending on the grinding time
and the specific properties of the sample material.
The optimal grinding jar filling is generally 1/3 of the grinding jar volume.
Voluminous materials such as wool, leaves, grasses and similar are exceptions to
this. A fill level of 70 - 80% is necessary here.
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NOTICE
Area of use of the machine
– This machine is a laboratory machine designed for 8-hour single-shift
operation.
• This machine may not be used as a production machine nor is it
intended for continuous operation.
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