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Galvanic Determination of Traces of Oxygen in Gases

Abstract

THE cathodic reduction of oxygen has been studied1 in connexion with corrosion and air-depolarized galvanic cells; but so far no use seems to have been made of this process in gas analysis. I have experimented with cathodes half-immersed in the electrolyte under nitrogen and hydrogen and, with suitably designed cells, have found that otherwise difficultly detectable traces of oxygen in the gas phase, such as 10−6 c.c./c.c, were capable of giving substantial and easily measurable currents.

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References

  1. Heise and Schumacher, Trans. Elect. Chem. Soc., 62, 383 (1932). Thornhill and Evans, J. Chem. Soc., 2109 (1938). Berl, Trans. Elect. Chem. Soc., 83, 253 (1943). Weisz and Jaffe, Trans. Elect. Chem. Soc., 93, 128 (1948). Jofa, Shimshelevitch and Andereva, J. Phys. Chem. U.S.S.R., 23, 828 (1949). Bagotskii and Motov, Dok. Ak. Nauk., 71, (3), 501 (1950). Delahay, J. Elect. Chem. Soc., 97, 198 (1950). Patrick and Wagner, Corrosion, 6, 34 (1950). Shigeru Mizuno, Chem. Abstr., 5233e, 6305d, 10549i (1950). Tödt, Z. Elek. Chemie, 54, 485 (1950). Grubitsch, Werkstoffe und Korrosion, 2, 85 (1950).

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HERSCH, P. Galvanic Determination of Traces of Oxygen in Gases. Nature 169, 792–793 (1952). https://doi.org/10.1038/169792b0

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