Letter | Published:

Reduction of the FeS2O3 + Ion at the Dropping Mercury Electrode

Abstract

THE technique of capacity flow1, admirably adapted to the study of transient compounds, demands complete homogeneity of the contents of the reaction cell, in contradistinction to the technique of polarography, which depends on there being a concentration polarization. Exploratory experiments showed, however, that the two techniques could be combined, and adequate polarograms obtained, in solutions stirred by rapid streams of nitrogen; under these conditions the capacity flow technique could be used to hold the concentration of transient intermediates, such as the thiosulphatoferric ion (FeS2O3 +) constant, so that its reduction might be studied.

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References

  1. 1

    Denbigh and Page, Disc. Farad. Soc., 17, 145 (1954).

  2. 2

    Page, Trans. Farad. Soc., 50, 120 (1954).

  3. 3

    Kolthoff and Miller, J. Amer. Chem. Soc., 63, 1401 (1941).

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