Influence of Gold in a Mercury Electrode on Certain Electrode Processes

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Abstract

IT is usual to study electrode processes using hanging-mercury microelectrodes. Some authors prepare these electrodes by hanging a small mercury drop on a gold wire or a gold-plated platinum wire1,2, deliberately neglecting the presence of the gold for its electropositive potential. Such an electrode is however an amalgam electrode, and, as we have shown3, gold can influence the electrode processes of those metals which combine with it to form intermediate compounds.

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References

  1. 1

    Gerischer, H., Z. phys. Chem., 202, 302 (1953).

  2. 2

    Mamontov, G., Papoff, P., and Delahay, P., J. Amer. Chem. Soc., 79, 4034 (1957).

  3. 3

    Kemula, W., Galus, Z., and Kublik, Z., Nature, 182, 1228 (1958); Bull. Acad. Polon. Sci., Cl. 3, 6, 661 (1958).

  4. 4

    Kemula, W., and Kublik, Z., Anal. Chim. Acta, 18, 104 (1958).

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KEMULA, W., KUBLIK, Z. & GALUS, Z. Influence of Gold in a Mercury Electrode on Certain Electrode Processes. Nature 184, BA56–BA57 (1959) doi:10.1038/184056a0b

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