Apparatus for liquid chromatography having automatic sampling sy

Details Apparatus for liquid chromatography having automatic sampling sy Apparatus for liquid chromatography having automatic sampling sy

1975-02-26

1976-05-04

Adee, John

Liquid purification or separation

With means to add treating material

Chromatography

B01D 1508

Patent

active

039546179

ABSTRACT:
Apparatus for liquid chromatography having an automatic sampling system including an intermittently rotatable circular table having a number of sample cups on its peripheral portion, a wash liquor receptacle disposed close to the circular table, a withdrawing member reciprocally movable between the wash liquor receptacle and the sample cup brought to a specified position by the intermittent rotation of the circular table and then held in the position for a specified period of time to withdraw the samples and the wash liquor alternately, a sample supply tube having the withdrawing member connected thereto, a pump associated with the tube, and a sampling valve connected to the tube and communicating with a column. Different samples and wash liquor are alternately supplied to the sampling valve, which successively introduces the samples, each in a definite amount, to the column along with a developer.

REFERENCES:
patent: 3504799 (1970-04-01), Ogle
patent: 3575295 (1971-04-01), Yoshida et al.

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