Methane analyzer with improved sample preparation

Details Methane analyzer with improved sample preparation Methane analyzer with improved sample preparation

1992-11-10

1993-06-22

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Flame ionization detector

422 83, 422 93, 422 94, 73 232, 73 2331, 73 2332, G01N 3112

Patent

active

052215172

ABSTRACT:
A methane analyzer system having a cutter for preparing a sample gas prior to submission to a hydrogen flame ionization detector includes a source dilution gas that is connected to the hydrogen flame ionization detector, and a flow restrictor line for directing a portion of the dilution gas to the cutter for mixing with the sample gas prior to introduction into the ionization detector. A source of fuel, such as hydrogen, which is connected to the ionization detector, is also metered in measured quantities to the cutter to stabilize the oxidation of the sample gas.

REFERENCES:
patent: 3340013 (1967-09-01), Rooney et al.
patent: 4063895 (1977-12-01), Neti et al.
patent: 4167334 (1979-09-01), Phillips
patent: 4705669 (1987-11-01), Tsuj et al.
patent: 4755357 (1988-07-01), Noguchi et al.
patent: 4814143 (1989-03-01), Kojima et al.
patent: 5041265 (1991-08-01), Koike et al.

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