Bismuth molybdate gas sensor

Details Bismuth molybdate gas sensor Bismuth molybdate gas sensor

1988-08-23

1992-01-21

Warden, Robert J.

Chemistry: analytical and immunological testing

Oxygen containing

Hydroxyl containing

73 2331, 422 94, 422 98, 436131, 436144, 436128, 436141, 436142, 436152, G01N 3110, G01N 2712

Patent

active

050827898

ABSTRACT:
A bismuth molybdate gas sensor which provides stable sensitivity to gases such as alcohol, ketones, alkenes, and long chain alkanes is disclosed. Sensors comprising a mixture of the Bi.sub.2 Mo.sub.3 O.sub.12 and Bi.sub.2 MoO.sub.6 phases of bismuth molybdate; or, bismuth iron molybdate are particularly effective. The bismuth molybdate mixture; or, the bismuth iron molybdate may be deposited as a thin film on a substrate or may take the form of a sintered powder.

REFERENCES:
patent: 4587104 (1986-05-01), Yannopoulos
patent: 4668635 (1987-05-01), Forster
The Condensed Chemical Dictionary, 8th Ed., Van Nostrand, Reinhold Co., New York, p. 627.
Thick Film Circuits, G. V. Flaner & L. S. Phillips, London Butterworths, 1972 pp. 1-9.
Chambers Science & Technology Dictionary, Peter M. B. Walker, Chambers Cambridge Co., Cambridge, p. 899.

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