Effect of Small Amount of lon on the Electrodeposition of Zinc

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  • Yamashita Tsugito
    Department of Electrochemistry, Faculty of Engineering, Yokohama National University
  • Tsuruoka Takeshi
    Department of Electrochemistry, Faculty of Engineering, Yokohama National University

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Other Title
  • 亜鉛の電析におよぼす微量イオンの影響

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Description

The effect of inorganic compounds on the electrocrystallization of zinc has been studied. lt was found that the growth of the mossy and dendritic crystals of zinc was inhibited by the presence of tellurium and lead ions in the electorolyte. The grain size of the deposits was shown to be decreased with increasing of concentration of the additives. In the presence of tellurium ion in the electrolyte, bright deposit was obtained. Fine crystal deposit, t of zinc was obtained by addition of lead ion. The overpotential for electrodeposition of zinc was increased by these ions.<BR>It was noticed that the current efficiency for the deposition of zinc did not decrease appreciably even though the tellurium and lead were codeposited with zinc during electrolysis.

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1973 (9), 1651-1654, 1973-09-10

    The Chemical Society of Japan

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