Method for membrane assisted liquid chromatography

Details Method for membrane assisted liquid chromatography Method for membrane assisted liquid chromatography

1987-11-02

1988-10-04

Therkorn, Ernest G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

2101982, 210259, 21032178, 210637, 210659, 73 611C, 436161, B01D 1508

Patent

active

047754761

ABSTRACT:
Apparatus and method for extracting a component from a sample across a membrane into an extractant and then injecting the extracted sample component into a chromatographic eluent and onto a chromatographic column to chromatographically analyze the extracted sample component. In essence, the advance provided by this invention is that the extractant and the eluent are the same and only one pump is used for pumping the eluent and extractant. In prior apparatus and methods in this field, the extractant and the eluent were separate and each had its own pump.

REFERENCES:
patent: 3686117 (1972-08-01), Lauer
patent: 4070284 (1978-01-01), Fujita
patent: 4112743 (1978-09-01), Mowery
patent: 4271697 (1981-06-01), Mowery
patent: 4446105 (1984-05-01), Dinsmore
patent: 4500430 (1985-02-01), Dasgupta
patent: 4529521 (1985-07-01), Cortes et al.
patent: 4544485 (1985-10-01), Pinkerton
patent: 4676897 (1987-01-01), Kuze
patent: 4699718 (1987-10-01), Jones
patent: 4715217 (1987-12-01), Coyne

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