SPEX SamplePrep

- Model 6770 Series - Our Small Cryogenic Mill



The 6770 Freezer/Mill® is a small cryogenic mill that accommodates sample sizes ranging from 0.1 - 5 grams. It is specifically designed for cryogenic grinding and pulverizing of tough and/or temperature sensitive samples 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.

  • Grinding chamber holds one microvial set and one small grinding vial.
  • Equipped with liquid nitrogen 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 - 5 gram range.
  • Liquid nitrogen required for operation.
  • Magnetically driven sample impactor is the only moving part so there are no mechanical linkages or bearings to fail.
  • Pre-cooling chamber holds up to three additional grinding vials for high-throughput sample processing.
  • Programmable parameters include grinding time, impactor rate, pre-cooling and cooling times.
  • Touch screen stores up to 10 user-defined grinding programs for easy quick recall.
  • Closed grinding vials eliminate sample cross-contamination, retain volatiles, control hazardous or critical samples, and simplify clean-up.

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