The ion-exchange properties toward hexaamminecobalt(III) and the characterization of the complex cation form of .ALPHA.-zirconium phosphate.
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概要
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The ion-exchange properties of α-zirconium phosphate have been investigated for the H<SUP>+</SUP>–[Co(NH<SUB>3</SUB>)<SUB>6</SUB>]<SUP>3+</SUP> system. The ion-exchange process was examined by means of the variation in the pH values of the supernatant. α-Zirconium phosphate loaded with hexaamminecobalt(III) was also characterized by chemical analysis, X-ray diffractometry, infrared spectroscopy, and thermal analysis. In spite of the steric hindrance in the crystal structure of α-zirconium phosphate, the ion exchange proceeded gradually. About 30% of the hydrogen ions in α-zirconium phosphate were replaced by hexaamminecobalt(III). The interlayer distance of the exchanger expanded from 0.76 to 1.12 nm.
- 公益社団法人 日本化学会の論文
著者
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Hasegawa Yoshitsugu
Department Of Applied Chemistry Faculty Of Technology Tokyo University Of Agriculture And Technology
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Amekura Hiroshi
Department of Industrial Chemistry, Faculty of Technology, Tokyo University of Agriculture and Technology
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Kizaki Seiichi
Department of Industrial Chemistry, Faculty of Technology, Tokyo University of Agriculture and Technology
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