Chemical bias agent detection

Details Chemical bias agent detection Chemical bias agent detection

1981-07-06

1983-02-15

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

324469, 324464, 250308, 250432R, G01N 2766, G01N 2770

Patent

active

043740901

ABSTRACT:
The present invention is directed to an ionization cell for detecting the presence of very minute concentrations of certain chemical agents. The effective sensitivity of conventional chemical agent detectors is restricted in the presence of certain interferants such as jet fuel, gasoline, smoke, turpentine and the like. Herein a "chemical bias," that is a background concentration of a simulant is provided at the inlet of an ionization detector, which chemical bias is effective by charge exchange to prevent the interferants from dominating the signal.

REFERENCES:
patent: 3540851 (1970-11-01), Vree et al.
patent: 3835328 (1974-09-01), Harris et al.
patent: 4075550 (1978-02-01), Castleman et al.
patent: 4148612 (1979-04-01), Taylor et al.
patent: 4150951 (1979-04-01), Capelle et al.
patent: 4203726 (1980-05-01), Patterson
patent: 4309187 (1982-01-01), Dodge et al.

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