Method and device for continuous, automatic air analysis

Details Method and device for continuous, automatic air analysis Method and device for continuous, automatic air analysis

G - Physics

01

N

73/93

G01N 30/06 (2006.01)

Patent

CA 1191721

Abstract of the Disclosure The present invention relates to a continuously working, automatic gas chromatograph, where air is used as carrier gas through a column and detector. The gas chromatograph is provided with a pre-concentrator which, besides the function of concentrating those substances that are to be analyzed in an air sample, also functions as a purification step. Because of this, the air present in the sample can be utilized as carrier gas. A separate carrier gas source or a complicated purification system is thus not required for using the atmospheric or ambient air as carrier gas.

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