6775 Freezer Mill® – Cryogenic Grinding Mill

The 6775 Freezer/Mill® is SPEX’s small cryogenic grinding mill that accommodates sample sizes ranging from 0.1 – 5 grams. It is specifically designed for grinding and pulverising tough and/or temperature sensitive samples immersed in liquid nitrogen. It is capable of grinding almost anything.

Typical Samples

Typical samples that can be processed in the 6775 Freezer/Mill® include:

  • Plant & animal tissues
  • Seeds
  • Plastic and Polymers
  • Pharmaceuticals
  • Food products
  • Electronic components
  • Textiles and fibres
  • Hair
  • Teeth
  • Bones

Features

  • Coil holds one Microvial Set or one Small Grinding Vial
  • Equipped with liquid nitrogen level sensor and lid safety interlock 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 – 4 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
  • 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
  • Small cryogenic impact grinder with self-contained liquid nitrogen tub and insulated case
  • Stores up to 20 user-defined grinding programs for quick and easy recall
  • Touch-screen control panel is detachable and can be used for remote operation
  • Closed grinding vials eliminate sample cross-contamination
  • Run history can be uploaded onto a USB memory stick
  • Training videos can be viewed onscreen

Vial Volumes

 MicroSmall
Maximum Capacity0.5mL4mL
Recommended Sample Capacity0.1-0.2mL1-2mL
Recommended Sample Capacity (approx)30-200mg1-4g

Applications

SPEX Freezer Mills are suited to a wide range of different samples, these include:

Life Science

  • DNA/RNA extraction
  • Yeast analysis
  • Pharmaceuticals
  • Drug testing
  • Cannabis research
  • Food testing
  • Animal tissue
  • Plant tissue
  • Human tissue (incl. hair, teeth, bones, etc.)

Materials Science

  • Plastics and polymers
  • Composite materials
  • Textiles
  • Electronics
  • RoHS/WEEE

Application Examples

PotatoSPEX Freezer Mill cryogenic grinder with arrow image
Beef LungSPEX Freezer Mill cryogenic grinder with arrow image
HairSPEX Freezer Mill cryogenic grinder with arrow imageHair after cryogenic milling in a Spex Freezer mill
Polyethylene Beadspolyethylene beads before cryogenic milling in a Spex Freezer millSPEX Freezer Mill cryogenic grinder with arrow imagepolyethylene after before cryogenic milling in a Spex Freezer mill
Plastic ToysPlastic toy before cryogenic milling in a Spex Freezer millSPEX Freezer Mill cryogenic grinder with arrow imagePlastic treat after cryogenic milling in a Spex Freezer mill
Dog TreatsDog treat before cryogenic milling in a Spex Freezer millSPEX Freezer Mill cryogenic grinder with arrow imageDog treat after cryogenic milling in a Spex Freezer mill

Specifications

CE ApprovedYes
Dimensions20.5 in (52cm) x 21.5 in (55cm) x 18 in (46cm)
Net Weight (lbs)44 lbs (24kg)
Gross Weight (lbs)53 lbs (24kg)
Voltage240V/50Hz
Timer/ControlsTouch-screen programmable controls for grinding cycles, time,impact rate, pre-cooling and cooling times. Stores 10 grinding programs

 Capabilities, Applications and Operation of the 6775 Freezer Mill

Note: the 6770 is the precursor to the 6775, with the latter containing the best components from the 6770 Freezer Mill.

Freezer Mill 6770 Used to Extract DNA from a Tooth  Fragment for the First Time

Note: the 6770 is the precursor to the 6775, with the latter containing the best components from the 6770 Freezer Mill.

Spex Freezer Mill on CSI Miami

Note: the 6770 is the precursor to the 6775, with the latter containing the best components from the 6770 Freezer Mill.

End Plug Extractors

DNA Extraction Using a 6750 Freezer Mill

Forensic DNA work carried out by Newcastle University

 

 

 

 

 

 

 

 

 

 

 

 MicroSmallMediumLarge
Part No.6757
Polycarbonate cylinder, stainless steel end plugs and impactor
6751
Polycarbonate cylinder, stainless steel end plugs and impactor
6881
Polycarbonate cylinder, stainless steel end plugs and impactor
6801
Polycarbonate cylinder, stainless steel end plugs and impactor
Maximum Capacity0.5mL4.0mL25mL50mL
Recommended Capacity0.1-.02mL1-2mL5-10mL10-20mL
Recommended Capacity30-200mg1-4g5-40g10-40g
Diameter (Length 137mm including end caps)9.5mm22mm38.5mm57mm
Freezer Mill 6770/67751 Set (3 total)1NANA
Freezer Mill 6870/68754 Sets (12 total)411
Freezer Mill 6870D/6875D8 Sets (24 total)822
Freezer Mill 69708 Sets (24 total)822
Note: Capacities are a guide and will depend on density.
SPEX 6775 FreezerMill
SPEX Freezer Mill Vials

Similar Products

Related Products