Technique for protecting sensing electrodes in sulfiding environ

Details Technique for protecting sensing electrodes in sulfiding environ Technique for protecting sensing electrodes in sulfiding environ

1976-09-10

1978-05-09

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204195S, G01N 2746

Patent

active

040885437

ABSTRACT:
The deteriorating influence of sulfide environments on the sensing electrode of a conventional oxygen ion conductive solid electrolyte electrochemical cell is minimized by controllably introducing oxygen to the sensing electrode when the oxygen content of the environment to which the sensing electrode is exposed diminishes to a predetermined level, thereby avoiding undesirable cycling of the environment between oxidizing and sulfiding conditions.

REFERENCES:
patent: 3514377 (1970-05-01), Spacil et al.
patent: 3654112 (1972-04-01), Beekmans et al.
patent: 3699032 (1972-10-01), Rapp
patent: 3819499 (1974-06-01), Hoogeveen et al.
patent: 3923624 (1975-12-01), Beekmans et al.
patent: 3960500 (1976-06-01), Ross et al.

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