Gaseous carbon dioxide detection sensor

Details Gaseous carbon dioxide detection sensor Gaseous carbon dioxide detection sensor

1991-08-08

1993-03-16

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204424, 204427, 204431, 204432, 204416, 204419, 204426, G01N 2726

Patent

active

051941341

ABSTRACT:
A gaseous carbon dioxide detection sensor comprising a detection electrode and a reference electrode opposed on both sides of an ionic conductor, wherein a mixture comprising one mol of an alkali metal carbonate more than one mol of an alkaline earth metal carbonate is used as the detection material for the detection electrode. The detection sensor has the electromotive force characteristic relative to the gaseous carbon dioxide less undergoing the effect of moisture in the gas to be measured and has a high sensitivity.

REFERENCES:
patent: 4319966 (1982-03-01), Carlson et al.
patent: 4377460 (1983-03-01), Hirayama et al.
patent: 4715944 (1987-12-01), Yanagida et al.
Solid State Ionics, vol. 24, No. 4, Sep. 1987, Amsterdam NL T. T. Maruyama et al: `electromotive force of a CO--CO.sub.2 sensor in CO--CO.sub.2 --H.sub.2 -H.sub.2 O atmospheres and simultaneous determination of partial pressures of CO-- and CO.sub.2 `.

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