Reduction of chromium(VI) by iron(II) hydroxide in alkaline solution.

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概要

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• Iron(II) hydroxide stoichiometrically reduces CrO<SUB>4</SUB><SUP>2−</SUP> to chromium(III) in alkaline solutions of pH 8 or above. This reduction was finished in less than one minute even at 5 °C. Although chromium(III) dissolves as CrO<SUB>2</SUB><SUP>−</SUP> above pH 9.5, it did not dissolve in the presence of iron(III) hydroxide which had resulted from the oxidation of iron(II) hydroxide.

• 公益社団法人 日本化学会の論文

著者

• Munemori Makoto

  Environmental Chemistry, College of Engineering, University of Osaka Prefecture

• Aoki Toyoaki

  Environmental Chemistry, College of Engineering, University of Osaka Prefecture

関連論文

• Reduction of chromium(VI) by iron(II) hydroxide in alkaline solution.

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