Specific compound detection system

Details Specific compound detection system Specific compound detection system

1975-09-17

1976-12-07

Serwin, R.E.

Chemistry: physical processes

Physical processes

Crystallization

23232C, 23253PC, 73 231, G01N 3108

Patent

active

039960099

ABSTRACT:
Apparatus for detecting the amount of a specific compound in a sample. The apparatus comprises, in combination, a gas chromatograph, a cold trap and a specific gas detector. The cold trap includes means to cool the gas passing therethrough to a predetermined pressure therein, whereby gaseous effluent from the trap substantially consists of the specific gas and an inert gas.

REFERENCES:
patent: 3304159 (1967-02-01), Hinsuark
patent: 3403978 (1968-10-01), Favre
patent: 3647387 (1972-03-01), Benson et al.
patent: 3718429 (1973-02-01), Williamson
patent: 3746513 (1973-07-01), Warnick et al.
patent: 3847546 (1974-11-01), Paul
patent: 3877875 (1975-04-01), Jones et al.
C. H. Bamford J. Chem. Soc. pp. 12-17, (1939).

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