Solid electrolyte gas sensing apparatus

Details Solid electrolyte gas sensing apparatus Solid electrolyte gas sensing apparatus

1981-10-19

1983-03-22

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204 1T, G01N 2746

Patent

active

043774601

ABSTRACT:
An alkali ion conductive solid electrolyte electrochemical concentration cell assembly for measuring gases containing anhydrides or related compounds in air or in oxygen-bearing gases is divided into two identical alkali ion conductive half cycles. Each half cell is secured to opposite surfaces of the closed end of a solid membrane exhibiting alkali ion conductivity corresponding to the alkali ion conductivity of the half cells. The membrane effectively isolates a monitored gas environment contacting one half cell from a reference gas environment contacting the other half cell while supporting the equilibrium mode of operation of the concentration cell assembly to generate an electrical signal indicative of a gas species of interest in the monitored gas environment.

REFERENCES:
patent: 3546086 (1970-12-01), Sayles
patent: 3776831 (1973-12-01), Roy et al.
patent: 3791937 (1974-02-01), Besson et al.
patent: 4088543 (1978-05-01), Ruka
patent: 4186072 (1980-01-01), Blumenthal
patent: 4300991 (1981-11-01), Chiba et al.
patent: 4302312 (1981-11-01), Ishitani et al.
patent: 4305803 (1981-12-01), Beyer et al.

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