Method of detecting carbon monoxide

Chemistry: physical processes – Physical processes – Crystallization

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73 23, 252514, 338 34, 422 98, G01N 2704, H01B 108

Patent

active

042512255

ABSTRACT:
Method of detecting carbon monoxide gas at temperatures of 100.degree. C. or less by using a detecting element containing stannic oxide as the main component, which element is prepared by mixing stannic oxide, antimony trioxide and platinum in atomic ratios of Sb/Sn = at least 0.005, Pt/Sn = at least 0.004 and Sb/Pt = at least 0.005, and sintering said mixture at a temperature of at least 625.degree. C.

REFERENCES:
patent: 3865550 (1975-02-01), Bott et al.
patent: 4030340 (1977-06-01), Chang
patent: 4033169 (1977-07-01), Fujishiro et al.
German Publication, Offenlegungsschrift 2636178, Mar. 3, 1977.

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