Gas detecting sensor

Details Gas detecting sensor Gas detecting sensor

1974-10-18

1976-05-11

Serwin, R. E.

Chemistry: physical processes

Physical processes

Crystallization

23255E, 73 27R, 252408, G01N 2704, G01N 2714

Patent

active

039559297

ABSTRACT:
Gas detecting sensor made of SnO.sub.2 characterized by containing less than 5% by weight of at least one of Al.sub.2 O.sub.3, ZnO, SrO and BaO and less than 1% by weight of chlorine. The gas detecting sensor has a high sensitivity selectively to carbon monoxide but has a low sensitivity to hydrocarbon gases.

REFERENCES:
patent: 3625756 (1971-12-01), Taguchi
patent: 3644795 (1972-02-01), Taguchi
patent: 3695848 (1972-10-01), Taguchi
patent: 3865550 (1975-02-01), Bott et al.

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