Liquid chromatography methods and devices

Details Liquid chromatography methods and devices Liquid chromatography methods and devices

1982-07-08

1984-07-03

Adee, John

Liquid purification or separation

Processes

Chromatography

2101982, 2103211, B01D 1508

Patent

active

044578466

ABSTRACT:
In the analysis of substances by liquid chromatography, samples to be analyzed are introduced into the chromatography column by being loaded into a fluid permeable section in a cartridge, placing the sample loaded section over the inlet end of the column and flowing solvent through such section into the column. The cartridge may be a plate with an opening through it with the ends of the opening covered by permeable membranes or the opening may be packed with porous material. The cartridge may have a plurality of such openings and these may be in the form of a line on a rectangular plate or a circle on a circular plate. The new methods and devices of the invention are particularly useful in micro-scale liquid chromatographic procedures.

REFERENCES:
patent: 3346486 (1967-10-01), Winter et al.
patent: 3692669 (1972-09-01), Bauman
patent: 4309286 (1982-01-01), Lenihan et al.
patent: 4350595 (1982-09-01), Gunkel
patent: 4354932 (1982-10-01), McNeil
Gas Chromatography with Glass Capillary Columns by Jennings, Academic Press of New York, p. 49, 1978.

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