Liquid purification or separation – With means to add treating material – Chromatography
Patent
1998-05-13
2000-08-01
Walker, W. L.
Liquid purification or separation
With means to add treating material
Chromatography
422 70, 422101, 422104, B01D 1508
Patent
active
060962054
ABSTRACT:
A hand portable, field-deployable thin-layer chromatography (TLC) unit and a hand portable, battery-operated unit for development, illumination, and data acquisition of the TLC plates contain many miniaturized features that permit a large number of samples to be processed efficiently. The TLC unit includes a solvent tank, a holder for TLC plates, and a variety of tool chambers for storing TLC plates, solvent, and pipettes. After processing in the TLC unit, a TLC plate is positioned in a collapsible illumination box, where the box and a CCD camera are optically aligned for optimal pixel resolution of the CCD images of the TLC plate. The TLC system includes an improved development chamber for chemical development of TLC plates that prevents solvent overflow.
REFERENCES:
patent: 5254315 (1993-10-01), Nurse et al.
patent: 5350510 (1994-09-01), Partney, Jr.
Bushman John F.
Haas Jeffrey S.
Jensen Wayne A.
Kelly Fredrick R.
Wiefel Michael H.
Grzybicki Daryl S.
Ocampo Marianne
The Regents of the University of California
Walker W. L.
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