Electrochemical gas sensors and methods for sensing electrochemi

Details Electrochemical gas sensors and methods for sensing electrochemi Electrochemical gas sensors and methods for sensing electrochemi

1996-01-25

1997-11-25

Gorgos, Kathryn L.

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

For corrosion

2057795, 2057855, 2057865, 204412, 204414, 204421, 204431, 204432, G01N 2726

Patent

active

056908083

ABSTRACT:
An electrochemical, galvanic type, oxygen sensor including scavenging electrodes for continuously reacting any unreacted or partially reacted active gases, such as oxygen, to remove the active gases prior to being dissolved or have been dissolved in the electrolyte resulting in less than accurate output signals. The use of the scavenging electrodes permits the gas sensor to detect active gases in a gas mixture in sub-parts per billion level accurately and without the need for external sparging of the electrolyte with a pure inert gas. The liquid electrolyte may be stored in the a sol-gel medium formed in sensor container and holding the electrolyte in voids or pockets in the medium thereby rendering the oxygen sensor portable with the stored electrolyte and usable within a few minutes of operation.

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Full English language translation of JP06222038 (Fujiwara et al.), Aug. 1994.
JAPIO abstract of JP06222038 (Kunihiko et al.), Aug. 1994.

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