Detection system with liquid chromatograph

Details Detection system with liquid chromatograph Detection system with liquid chromatograph

1975-09-17

1976-12-07

Serwin, R.E.

Chemistry: physical processes

Physical processes

Crystallization

23253PC, 23254R, 73 611C, 210 24, G01N 3108

Patent

active

039960048

ABSTRACT:
Apparatus for detecting the amount of a specific compound in a sample dissolved in a liquid solvent. The apparatus comprises, in combination, a high pressure liquid chromatograph, means to transform the chromatograph effluent to the gaseous state, a cold trap and a specific gas detector. The cold trap includes means to cool the gas injected therein at a predetermined temperature, and means to maintain a predetermined pressure therein, whereby the solvent is condensed and the gaseous effluent from the trap substantially consists of the specific gas.

REFERENCES:
patent: 3630681 (1971-12-01), Arikawa
patent: 3877875 (1975-04-01), Jones et al.

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