Electrochemical gas sensor

Details Electrochemical gas sensor Electrochemical gas sensor

1996-07-24

1998-11-03

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204412, 204431, 204415, 73 3102, G01N 2726

Patent

active

058303375

ABSTRACT:
An electrochemical gas sensor comprising a sensing electrode, a counter electrode, an electrolyte reservoir, an upwardly extending projection disposed within the reservoir that supports the counter electrode, and a wick interposed between, and in contact with, the sensing and counter electrodes. The wick includes an overhang partially disposed in the electrolyte reservoir. The sensor may further include a reference electrode coplanar with and adjacent to the counter electrode. The sensor is accurate and sensitive, while also compact, reliable, and relatively simple to manufacture.

REFERENCES:
patent: 3755125 (1973-08-01), Shaw et al.
patent: 3992267 (1976-11-01), Oswin et al.
patent: 4406770 (1983-09-01), Chan et al.
patent: 4591414 (1986-05-01), Zarcomb et al.
patent: 5395507 (1995-03-01), Aston et al.
patent: 5527446 (1996-06-01), Kosek et al.
p. T247 of Aldrich catalog for 1994-1995 month unavailable.

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