cryogenic grinder freezer
SPEX SamplePrep''s family of Freezer/Mills are cryogenic laboratory mills used to chill samples in liquid nitrogen and pulverize them with a magnetically driven impactor. Spex Certiprep 6750 Freezer Mill Cryogenic Grinder . Spex Certiprep 6750 Freezer Mill Cryogenic Grinder Pulverizer Cryogenic impact grinder with selfcontained liquid nitrogen tub and insulated case. Holds .