Gas chromatograph modification

Details Gas chromatograph modification Gas chromatograph modification

G - Physics

01

N

150/20, 73/93

G01N 30/00 (2006.01) G01N 30/32 (2006.01) G01N 33/14 (2006.01)

Patent

CA 1299892

ABSTRACT An apparatus to measure the concentration of a constituent of a solution containing dissolved gas includes conduit means connectable to a source of said solution. Flow control means are provided on the conduit means, selectively to permit the flow of said solution in said conduit means. Pressure regulation means are also provided on the conduit means to control the pressure of said solution in the conduit means, and maintain the pressure in the conduit means at a level sufficiently high to prevent gassification of dissolved gas in the solution, thereby to prevent foaming in the conduit means. A gas chromatographic analyser (GCA) is in communication with the conduit means via a sampling valve, to permit the flow of discrete samples of solution into the GCA for analysis. The interior of the GCA is maintainable at the same pressure as in the conduit means.

537187

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