Retsch MM 400 - Page 70

Installing additional equipment
70
Abb. 40: Centrifuge tube adapter in grinding jar support
Abb. 41:Permissible arrangement of centrifuge tubes or wide mouth bottles
CAUTIONCentrifuge tubes and wide mouth bottles are not suitable for grinding hard-brittle
materials. They are disposable plastic vessels which must not be used more than once.
The filling of the vessels deviates from the 1/3 rule, particularly regarding the application and
filling:
Example 1
Grinding balls
Glass beads, approx. 50 % of
the filling quantity of the vessel
Sample material
Cell suspension
Fill the vessel filled with glass
beads up to the lower edge of
the rim