Organic fluid detection system and apparatus

Details Organic fluid detection system and apparatus Organic fluid detection system and apparatus

1987-01-16

1989-02-21

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 90, 422 95, 422 98, 436149, 436152, 73 27R, G01N 2712

Patent

active

048063142

ABSTRACT:
An organic fluid detection instrument having great sensitivity to low concentrations or organic fluids in a fluid stream comprise a conduit adapted for the one-way flow therethrough a mixture of an oxygen-containing carrier fluid and organic fluids; a first electrical resistance element disposed in the conduit and carrying a material catalyst for promoting exothermic oxidation reactions of the organic fluid of the mixture; a second resistance element also disposed in the conduit for temperature sensing, consisting of a material with an electrical resistivity that varies with its induced temperature; each element is connected to a pair of electrical leads for operatively producing electrical signals representative of the amplitude of the output signal to be measured; a measuring circuit means is joined to both pairs of leads for processing both a synchronous signal and the second output signal in a manner whereby variations in the differential resistance of the second sensing element serve as a measure of the concentation of the entrained fluids in the entering fluid mixture.

REFERENCES:
patent: 2618150 (1952-11-01), Willenborg
patent: 2652315 (1953-09-01), McEvoy
patent: 4201088 (1980-05-01), Trietley, Jr.
patent: 4414839 (1983-11-01), Dilley et al.
patent: 4443791 (1984-04-01), Risgin

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