Recognized as the world's most effective laboratory mills, SPEX SamplePrep's Freezer/Mills™; are cryogenic laboratory mills that chill samples in liquid nitrogen then pulverizes them with a magnetically driven impactor.
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The MT 40.100 disposable grinding chamber with a stainless steel beater reduces soft, medium, hard and brittle materials with a Mohs hardness of up to 5 (manganese or apatite: 5 Mohs).