Ionic equilibria in mixed solvents. XII. Hydrolysis of cadmium(II) ion in dioxane-water and methanol-water mixtures.
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概要
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The hydrolytic reactions of cadmium(II) ions were studied at 25 °C in dioxane–water and methanol–water mixtures with varying compositions of the organic solvents, each mixture containing 3 mol dm<SUP>−3</SUP> (Li)ClO<SUB>4</SUB> as an ionic medium. Emf measurements were carried out over the range of the total cadmium(II) concentrations of 0.2 to 0.8 mol dm<SUP>−3</SUP> in all the systems. Two complexes Cd<SUB>2</SUB>OH<SUP>3+</SUP> and CdOH<SUP>+</SUP> were found in the dioxane–water mixtures, but the latter complex was not detected in the methanol–water system. The formation constant of the Cd<SUB>2</SUB>OH<SUP>3+</SUP> complex was slightly larger in the methanol–water mixtures than in the dioxane–water mixtures at the same mole-fraction concentration of the organic solvents.
- 公益社団法人 日本化学会の論文
著者
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Ohtaki Hitoshi
Department Of Chemistry Faculty Of Science And Engineering Ritsumeikan University
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Matsui Haruo
Government Industrial Research Institute, Nagoya
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