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Freezer/Mill 6875D (CG-500)

Freezer/Mill 6875D (CG-500)

SPEX SamplePrep | Sample Preparation - Inorganic, Sample Preparation - Organic

The Freezer/Mill (CG-500) is a large high throughput cryogenic mill that accommodates dual grinding chambers accomodating sample sizes ranging from 0.1 - 100 grams. Specifically designed for cryogenic grinding and pulverizing tough and/or temperature sensitive samples in a grinding vial immersed in liquid nitrogen.The new high resolution display is user-friendly and includes the following features:

  • Run history which is uploadable to a thumb drive via USB
  • Training videos and manuals that can be viewed on the screen.
  • A complete listing of accessories

Applications include:DNA/RNA extraction, THC extraction, protein extraction, forensic testing, materials testing, pharmaceutical analysis, USP 232, drug testing, RoHS/WEEE and volatiles extraction.

Typical samples include:Animal tissue,plastic and polymers, yeast, pharmaceuticals, food products, electronic components, textiles, hair, teeth, bones, plant tissue such as cannabis, seeds, leaves and roots.

Key Features and Specifications

  • Touch screen stores up to 20 user-defined grinding programs for easy quick recall. Also includes run history, training videos, manuals and accessories.
  • Grinds samples in the 0.1 - 100 gram range. Each grinding chamber holds one large grinding vial, one mid-size vial, four standard grinding vials or four microvial sets.
  • Grinding Vial Sets offered in a variety of materials including polycarbonate, stainless steel, and Cr-free steel.
  • Liquid nitrogen required for operation. Equipped with liquid nitrogen level sensor, insulated case and lid safety interlock switch for operator protection.
  • Auto-Fill System is included for automated filling with liquid nitrogen.
  • Magnetically driven impactor is the only moving part so there are no mechanical linkages or bearings to fail.


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