Reducing gas sensor

Details Reducing gas sensor Reducing gas sensor

1978-01-18

1980-04-08

Marcus, Michael S.

Chemistry: physical processes

Physical processes

Crystallization

324 71SN, 340633, 340634, 422 96, 422 97, 422 98, G01N 2716, G01N 3300

Patent

active

041970896

ABSTRACT:
A sensor for the quantitative determination of reduction of a gas in which a thin tungsten oxide film detector element includes means for providing a specificity for the gas to be detected with respect to other gases. If ammonia is to be detected, a platinum catalyst is utilized. If hydrogen sulfide is to be detected, tungsten trioxide is used in the film.

REFERENCES:
patent: 3479257 (1969-11-01), Shaver
patent: 3549329 (1970-12-01), Silverman et al.
patent: 3695848 (1972-10-01), Taguchi
patent: 3820958 (1974-06-01), Cheng et al.
patent: 3865550 (1975-02-01), Bott et al.
patent: 3901067 (1975-08-01), Boardman, Jr. et al.
patent: 3961248 (1976-06-01), Kawamura
patent: 3999997 (1976-12-01), Milarn
patent: 4039941 (1977-08-01), Morrison

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