Oxygen sensor

Details Oxygen sensor Oxygen sensor

1988-08-04

1990-09-18

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204414, 204424, 204431, G01N 2731

Patent

active

049576151

ABSTRACT:
An oxygen sensor includes an electrically conductive substrate directly coated with an electrolytic oxidative polymeric membrane, which contains a porphyrin compound and a metal complex thereof. Also provided is an oxygen sensor capable of being subjected to a temperature calibration and including an oxygen electrode consisting of an electrically conductive substrate directly coated with a porphyrin derivative compound and a metal complex compound thereof, a reference electrode, a gelled polymeric electrolyte in which the oxygen electrode and reference electrode are immersed, and an oxygen-selective permeable membrane coating the gelled polymeric electrolyte. The electrically conductive substrate according to the present invention is formed from a material inactive with oxygen gas, such as indium tin oxide, iridium oxide, nickel or gold.

REFERENCES:
patent: 4198851 (1980-04-01), Janata
patent: 4615954 (1986-10-01), Solomon et al.

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