Partial permixing in flame-ionization detection

Details Partial permixing in flame-ionization detection Partial permixing in flame-ionization detection

1993-09-23

1995-07-11

Warden, Robert J.

Chemistry: analytical and immunological testing

Measurement of electrical or magnetic property or thermal...

Of an ionized gas

436158, 436171, 436181, 422 54, 422 94, 422 8205, 73 3102, G01N 3068

Patent

active

054320950

ABSTRACT:
A method of detecting a concentration of contaminants in an air sample. The method includes the steps of combining a first portion of the air sample with a fuel to produce a sample/fuel mixture, igniting the sample/fuel mixture in a combustion chamber to produce a flame, and supplying a second portion of the air sample to the combustion chamber so that at least some of the contaminants contained in the second portion are ionized by the flame.

REFERENCES:
patent: 3330960 (1967-07-01), Rich
patent: 3366456 (1968-01-01), Andreach et al.
patent: 3692492 (1972-09-01), Poli et al.
patent: 3762878 (1973-10-01), Villalobos
patent: 3767363 (1973-10-01), Hofmann
patent: 3790348 (1974-02-01), Bossart et al.
patent: 4981652 (1991-01-01), Rattisch
patent: 5116764 (1992-05-01), Annino et al.
patent: 5221517 (1993-06-01), Takeda
Summit Interests brochure, "A New Twist on Detectors", published Mar. 1988.

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