Electrochemical sensor for measuring concentrations of species i

Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating

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G01N 2746

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active

042723507

ABSTRACT:
The electrochemical sensor for measuring concentrations of species in a fluid mixture is of the type comprising a partial-pressure internal reference electrode constituted by a system in which a metal is combined with an oxide of said metal. One face of the reference electrode is in contact with a solid electrolyte. An inert protective coating deposited on all the other faces of the electrode is impervious to the species which are present in the fluid mixture.

REFERENCES:
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patent: 3915830 (1975-10-01), Isenberg
patent: 3974054 (1976-08-01), Poolman et al.
patent: 4040929 (1977-08-01), Bauer et al.
patent: 4107019 (1978-08-01), Takao et al.
patent: 4126532 (1978-11-01), Takao et al.
patent: 4171253 (1979-10-01), Nolan et al.
Schoonman, "J. Electrochem. Soc.: Electrochemical Science and Technology", vol. 123, No. 12, pp. 1772-1775, Dec. 1976.
Kennedy et al., "J. Electrochem. Soc.: Electrochemical Science and Technology", vol. 123, No. 1, pp. 10-14, Jan. 1976.

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