硫酸塩溶液中における不働態ニッケルの溶解機構

書誌事項

タイトル別名
  • Mechanism of the Dissolution of Passive Nickel in Sulfate Solution
  • リュウサンエン ヨウエキ チュウ ニ オケル フドウタイ ニッケル ノ ヨウカイ キコウ

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抄録

The effects of the concentrations of hydrogen-, nickel- and sulfate-ion were investigated in the potential-independent dissolution of passive nickel in sulfate solution. The observed dissolution current iA decreased with the increase of pH in the acidic region, logiA=k−0.46 pH, and was independent of the concentrations of either nickel ion or sulfate ion. In the alkaline solution, on the other hand iA increased with increasing pH. These results were analysed in terms of the electrochemical kinetics and the following mechanisms were proposed for either region, respectively:<BR>(This article is not displayable. Please see full text pdf.)

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 24 (11), 735-739, 1960

    公益社団法人 日本金属学会

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