Apparatus and method for gas analysis

Details Apparatus and method for gas analysis Apparatus and method for gas analysis

1976-02-11

1977-08-16

Serwin, R.E.

Chemistry: physical processes

Physical processes

Crystallization

23232C, 23254R, 734215R, 73422GC, 141 83, 356246, G01N 122, G01N 2124

Patent

active

040423336

ABSTRACT:
Apparatus and method for gas analysis in which a sample gas is introduced into a high pressure sample cell through a long narrow holding tube, having a volume greater than the volume of the sample cell; and a second gas which will not interfere with the analysis is introduced into the holding tube behind the sample gas, at a pressure sufficient to force a portion of the sample gas contained in the holding tube into the sample cell so that the pressure of the sample gas in the sample cell is increased. An analysis of the sample gas in the sample cell is then made by a suitable technique, preferably by photometric analysis.

REFERENCES:
patent: 3368365 (1968-02-01), Harvey, Jr.
patent: 3393551 (1968-07-01), Todd et al.
patent: 3507147 (1970-04-01), Llewellyn
patent: 3698869 (1972-10-01), Conoon
patent: 3718429 (1973-02-01), Williamson, Jr.

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