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Cryogenic Grinders

Some sample are impossible to grind at ambient temperatures.  The Freezer/Mill® is a programmable cryogenic grinder specifically designed for milling and grinding of tough or temperature sensitive samples. Samples are placed in sealed cryogenic grinding vials then immersed in liquid nitrogen (LN). The samples are cooled to cryogenic temperatures then ground by a magnetically shuttling impactor.  

Since the vials are sealed, the cryogenic grinder maintains the integrity of its contents. Volatile compounds are retained, hazardous or critical samples are easily controlled, cleanup is simplified and cross-sample contamination is eliminated.

Typical samples include: Animal tissue, plastic and polymers, yeast cultures, pharmaceuticals, tough or sticky food products, electronic components, textiles, hair, teeth, bones, plant tissue, cannabis and packaging.

6875D Freezer/Mill® Dual Chamber Cryogenic Grinder

High-Throughput, cryogenic grinder with dual cooling & grinding chambers. Accommodates 0.1 - 100 grams per chamber.

  • Maintenance-free design with only one moving part.
  • Auto-Fill System for automated filling of liquid nitrogen.
  • Equipped with liquid nitrogen level sensor, insulated case and lid safety interlock switch for operator protection.  Liquid nitrogen required for operation.
  • Grinds samples in the 0.1-200 gram range. Each grinding chamber can hold one large grinding vial, one mid-size vial, four standard grinding vials or four microvial sets.

6875 Freezer/Mill® High Capacity Cryogenic Grinder

Large cryogenic mill that accommodates sample sizes ranging from 0.1 - 100 grams.

  • Equipped with liquid nitrogen level sensor, insulated case and lid safety interlock switch for operator protection.  Liquid nitrogen required for operation.
  • Grinding chamber holds one large grinding vial, one mid-size vial, four standard grinding vials or four microvial sets.
  • Auto-Fill System available for automated filling with liquid nitrogen. Order model number 6875A Freezer/Mill.
  • Touch screen stores up to 20 user-defined grinding programs for easy quick recall. Also includes run history, training videos, manuals and accessories.

6775 Freezer/Mill® Cryogenic Grinder

Small cryogenic mill that grinds up to 0.1 - 5 grams of sample

  • Insulated liquid nitrogen tub is equipped with LN level sensor.
  • Lid safety interlock for operator protection.
  • Grinding chamber holds one small grinding vial or one microvial set.
  • Touch screen stores up to 20 user-defined grinding programs for easy quick recall. Also includes run history, training videos, manuals and accessories.