Electrochromatographic preconcentration method

Details Electrochromatographic preconcentration method Electrochromatographic preconcentration method

1992-12-17

1995-09-26

Housel, James C.

Chemistry: analytical and immunological testing

Including sample preparation

Liberation or purification of sample or separation of...

436161, 436162, 2041801, 204299R, 73 2339, 422 69, 422 70, G01N 2726, G01N 27447

Patent

active

054533821

ABSTRACT:
Solutions of analytes in concentrations too low for certain analytical techniques such as various capillary electrophoresis techniques are concentrated in a solid-phase adsorption medium by a technique which involves a pressure-gradient-driven adsorption of the analyte followed by a desorption of the analyte and its removal using electroosmotic bulk flow.

REFERENCES:
patent: 4222836 (1980-09-01), Kerr et al.
patent: 4459198 (1984-07-01), Mizuno et al.
patent: 5340452 (1994-08-01), Brenner et al.
Tsuda, "Chromatographic Behavior in Electrochromatography" Anal. Chem, 1988, 60, 1677-1680.

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