Method for selective detection of liquid phase hydrocarbons

Details Method for selective detection of liquid phase hydrocarbons Method for selective detection of liquid phase hydrocarbons

1992-04-10

1993-10-26

Housel, James C.

Chemistry: analytical and immunological testing

Hydrocarbon

Total hydrocarbon, flammability, combustibility

436131, 436132, 436142, 436151, 73313, G01N 2712

Patent

active

052565742

ABSTRACT:
A method for the selective detection of liquid phase hydrocarbons in the C.sub.6 -C.sub.16 range includes a matrix comprising a silicone polymer having dispersed therein a conductive carbon black filler of high structure and comprises signaling the presence of hydrocarbon liquid phase when the electrical resistivity of the sensor increases to a preselected threshold level intermediate the vapor and liquid phase resistivities.

REFERENCES:
patent: 4631952 (1986-12-01), Donaghey
patent: 4639711 (1987-07-01), Edholm et al.
patent: 4818439 (1989-04-01), Blackledge et al.
patent: 4855706 (1989-08-01), Hauptly
patent: 4926165 (1990-05-01), Lahlouh et al.
patent: 5070944 (1992-01-01), Boenning et al.
patent: 5101657 (1992-04-01), Lahlouh et al.

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