These cryogenic gloves are designed to protect the hands and arms from the hazards associated
with ultra-cold materials. Highly recommended when operating the 6750 and 6850 Freezer/Mills. These multi-layer-insulated gloves are lightweight and flexible, allow excellent dexterity, and are comfortable to wear for extended periods of time. The gloves are sold as a pair and are available in small (6900S), medium (6900M), large (6900L) and X-large (6900XL).

Accuracy

•Maintain Sample Temperature—Sample NEVER leaves the enclosed liquid nitrogen bath.
•Vial reaches -100°C in one minute—four 1/2 minutes to -196°C.
•Sample Integrity-Sample processed in a separate self contained grinding vial.
•Vials can be cleaned or disposed of—eliminate contamination.

Versatility

•Touch screen interface for flexibility.
•Removable control panel.
•On board self diagnostics.
•Interconnectivity to a PC and/or the WEB via a USB port—Can download programs and factory troubleshooting anywhere in the world.
•Can store up to 10 grinding Protocols.
•Holds one 6801 large capacity vial (1-100 grams). Using the 6806 vial divider, the user can use four 6751 vials which will grind samples from (0.1-5.0 grams).

Durability

•Maintenance-free design, only 1 moving part.
•Backed by SPEX SamplePrep’s 50+ years of experience.

Safety

•Hinge safety switch for safety interlock.
•Temperature sensor to determine low Liquid Nitrogen-System will alarm and turn mill off to prevent coil damage.
•6820 Auto-Fill option is available.
•CE Compliant.

Technical Information

Spex 6870 Freezer/Mill Accessories

6801 Grinding Vial Set
Set includes stainless steel impactor and two end plugs, plus four polycarbonate centre cylinders (6801C4). Transparent plastic allows visual check of grinding progress. Sample capacity up to 50 ml

6801C4 Polycarbonate Center Cylinder
For 6801 vial set; sold in units of 4. Also sold in units of 20 (6801C20). Polycarbonate is durable and transparent but should not be cleaned with organic solvents

6804 Extractor/Vial Opener
The Extractor/Vial Opener lifts vial sets in and out of the Freezer/Mill, and is used to remove the vial end plugs from the centre section. One 6804 is supplied with the 6800A and 6800C Accessory Packages

6805 Vial Rack
For 6801 vial set. Epoxy-coated, steel wire rack holds up to six 6801 vial sets for storage and handling. One supplied with the 6800A and 6800C Accessory Packages

6806 Multi-Vial Adapter
Required when using four 6751 vial sets in a 6850 Freezer/Mill. The multi-vial adapter is an insert that is placed in the vial chamber of the coil to separate four 6751 vial sets during the grinding. One supplied with the 6800B and 6800C accessory Packages

6800A Accessory Package
Order when operating 6850 Freezer/Mill with 6801 vial sets. Includes one 6804 Extractor/Vial Opener and one 6805 Vial Rack

6800B Accessory Package
Order when operating with multiple 6751 vial sets in the 6850 Freezer/Mill. Includes one 6754 Extractor/Vial Opener along with one 6755 Vial Rack and one 6806 Multi-Vial Adapter

6800C Accessory Package
Optional package at an additional cost. Order when operating with both 6751 and 6801 vial sets in a 6850 Freezer/Mill. Includes complete 6800A and 6800B Accessory Packages

• Totally enclosed cryogenic impact grinder with Auto-Fill System. Eliminates liquid nitrogen (LN) exposure
• Available with single (6970M) or dual (6970D) grinding chambers for increased sample throughput
• Grind up to 8 samples using the standard Freezer/Mill Grinding Vials.
• Grinds samples in the 0.1 to 100 gram range
• Each Coil holds one Large Vial, one Mid-Size Vial, or up to four standard Small Vials
• Color touch screen controls for programming grinding cycles and time, impact rate, and pre-cooling and cooling times
• Grinding chambers in 6970D can be programmed and operated independently or simultaneously
• Stores 10 grinding programs
• Safety features include LN sensor and door interlock
• Liquid nitrogen required for operation
• 6970D and 6970M supplied with choice of 6870L Accessory Package for Large Vials or 6870S Accessory Package for Small Vials

Technical Information

8000D

• Efficient two-clamp laboratory mill for pulverizing hard, brittle samples
• Also called a shaker mill or high-energy ball mill
• Sample sizes in the 10 gram range for grinding, and up to 60 mL for blending powders or mixing emulsions
• Reduces samples to analytical fineness
• Can be utilized for mechanical alloying and nanomilling
• Features include a variable-range electronic timer, dual clamps for multiple sample capacity, safety interlock system, and forced-air cooling
• Timer is factory-set for 100-minute range. Optional chip is available to extend timer range to 1,000 or 10,000 minutes
• For efficiency, clamps are run in balance with the same vial and load in each clamp
• Accepts grinding/mixing vials from 2 3/8 in. (6 cm) to 3 1/8 in. (7.9 cm) in length and up to 2 ¼ in. (5.7 cm) in diameter
• The 8010 and 8011 adapters permit processing of multiple samples in 1/2 in. x 1 in. (12.7 mm x 25.4 mm), 1/2 in. x 2 in. (12.7 mm x 50.8 mm), and 3/4 in. x 2 in. (19.1 mm x 50.8 mm) vials

8000M

• Also called a shaker mill or high-energy ball mill
• Sample sizes in the 10-gram range for grinding, and up to 60 mL for blending powders or mixing emulsions
• Reduces samples to analytical fineness
• Can be utilized for mechanical alloying and nanomilling
• Features include a variable-range electronic timer, safety interlock system, and shock-mounted electric motor for tabletop operation
• Timer is factory-set for 100-minute range. Optional chip is available to extend timer range to 1,000 or 10,000 minutes
• Accepts grinding/mixing vials from 1 ¾ in. (4.5 cm) to 3 1/8 in. (7.9 cm) in length and up to 2 ¼ in. (5.7 cm) in diameter
• The 8010 and 8011 adapters permit processing of multiple samples in 1/2 in. x 1 in. (12.7 mm x 25.4 mm), 1/2 in. x 2 in. (12.7 mm x 50.8 mm), and 3/4 in. x 2 in.(19.1 mm x 50.8 mm) vials

Technical Information

• Versatile high-throughput plant and animal tissue homogenizer/cell lyser with a unique, vigorous, vertical pulverizing motion
• Handles two standard deep-well titer plates or multiple vials from 0.6 to 50 mL
• Optional large clamp assembly (2199) enables processing of up to four deep-well titer plates or sixteen 50 mL vials simultaneously
• Controls allow the operator to set the run time in 5 second increments and precise vertical grinding speed between 500 and 1750 strokes per minute (SPM)
• Sample preparation is completed in as little as 2 minutes with the addition of 1-2 grinding balls to the sample with a buffer solution
• Safety interlocks and pneumatic cylinder stabilize the lid for safe operation
• Supplied with height-adjustment spacers to handle titer plates, racks, vials, and other configurations up to 2¼ in. height
• LCD screen displays the full timer setting along with the time, in minutes and seconds, remaining in the grinding cycle

Typical Samples and Applications

• Plant materials such as seeds, stems, roots, leaves, fruits, vegetables
• Animal tissue
• Isolation of nucleic acids (DNA/RNA), proteins, enzymes, bacteria, and yeast
• Extraction of pesticide residue using QuEChERS Method
• Extraction of oil from fish and seafood.
 

Technical Information

• Air-actuated, manually controlled laboratory press
• 25-ton (22.7 metric ton) maximum pressure is ideal for pressing sample pellets for XRF, IR, and other analytical methods
• Compact design ideally suited for laboratory benchtop applications.
• Patented air-actuation system combines ease of use of a motorized press with the simplicity of a manual press
• Single push-button operation
• Pressure is measured with a dial and the pressure control valve can be set to produce repetitive, reproducible pressures
• Neither hand-pumping nor electrical hook-up is required
• Can be operated off an air compressor or a tank of compressed air
• Requires 90 psi (6.1 atm. or 6.2 bars) and 7 cubic feet per minute (0.2 cubic meters per minute or 198 liters per minute) of air.
 

Technical Information

• Unique programmable laboratory press
• 35-ton (31.8 metric ton) hydraulic press ideal for repetitive pressing of sample pellets for XRF, IR, and other analytical methods
• Automation improves sample uniformity, consistency and throughput
• Program allows the technician to enter final pressure desired, time to hold at the final pressure, and interval to return back to zero pressure
• Typical pressing cycle is less than two minutes
• Accepts all SPEX SamplePrep die sets
• A safety interlock and automatic pump shut-off safety valve ensure safe operation
 

Technical Information

• Features a cam-activated clamp that requires only moderate hand pressure to secure the grinding dish in the Shatterbox and is adjustable to secure containers of different heights
• LCD display with environmentally safe, push-button membrane switch
• Soundproof enclosure reduces noise levels
• Equipped with a safety interlock system and lockable casters
• Wide choice of grinding containers, sold separately
 

Technical Information