SPEX 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 g. It is specifically designed for grinding and pulverising tough and/or temperature-sensitive samples immersed in liquid nitrogen.
The product is capable of grinding almost anything, according to the company. Typical samples that can be processed in the grinding mill include plant and animal tissues, seeds, plastic and polymers, pharmaceuticals, food products, electronic components, textiles and fibres, hair, teeth and bones.
The unit features a small cryogenic impact grinder with a self-contained liquid nitrogen tub and insulated case. Grinding vial sets are offered in a variety of materials, including polycarbonate, stainless steel and Cr-free steel. A pre-cooling chamber holds up to three additional grinding vials for high-throughput sample processing.
The device is equipped with a liquid nitrogen level sensor and lid safety interlock for operator protection. Closed grinding vials eliminate sample cross-contamination. A magnetically driven impactor is the only moving part, so there are no mechanical linkages or bearings to fail.
The product stores up to 20 user-defined grinding programs for quick and easy recall. Programmable parameters include grinding time, impactor rate, and pre-cooling and cooling times.
A touch-screen control panel is detachable and can be used for remote operation. Run history can be uploaded onto a USB memory stick and training videos can be viewed on-screen.
Phone: 02 9450 1359
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