SPEX SamplePrep

- Model 6870 Series - Large Cryogenic Mill


Large cryogenic mill that accommodates 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. CE Approved.

Applications include: DNA/RNA extraction, THC extraction, protein extraction, forensic testing, materials testing, pharmaceutical analysis, 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.

6808 Vial Extractor

The new 6808 Vial Extractor easily removes end plugs from large grinding vials for the Freezer/Mill. Mid-Size vials can also be opened using the optional 6808M Mid-size Vial Adapter Kit.

  • Auto-Fill System available for automated filling with liquid nitrogen.
  • Closed grinding vials eliminate sample cross-contamination, retain volatiles, control hazardous or critical samples, and simplify clean-up.
  • Grinding chamber holds one large grinding vial, one mid-size vial, four standard grinding vials or one microvial set.
  • Equipped with liquid nitrogen level sensor, insulated case and lid safety interlock switch for operator protection.
  • Grinding Vial Sets offered in a variety of materials including polycarbonate, stainless steel, and Cr-free steel.
  • Grinds samples in the 0.1 - 100 gram range.
  • Liquid nitrogen required for operation.
  • Magnetically driven impactor is the only moving part so there are no mechanical linkages or bearings to fail.
  • Programmable parameters include grinding time, impactor rate, pre-cooling and cooling times.
  • Touch screen control panel stores up to 10 user-defined grinding programs for quick and easy recall.

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