EFFECT OF HYDROGEN ION ON SOLVENT EXTRACTION OF COPPER(II)COMPLEX WITH BATHOCUPROINE
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概要
- 論文の詳細を見る
The distribution ratios of copper(II) ion between an aqueous solution containing mixtures of Cu(NO3)2-HNO3-KNO3, at various pH and the organic phase containing bathocuproine(L) in 1,2-dichloroethane were measured. From the variation in the absorption spectra, it was found that the ligand is distributed between both phases by forming HL+ in the aqueous phase and HLX in the organic phase, respectively, in the range of pH from about 1 to 5.5. The extractability of copper(II)-complex, CuL2(NO3)2, decreases rapidly with the decrease in pH value of the aqueous solution. As a result, it became clear that the effect of hydrogen ion on the distribution ratio can be utilized for the concentration and separation of copper(II) ion through a liquid membrane between both aqueous phases of Cu(NO3)2 at different pH.
- 社団法人 化学工学会の論文
- 1995-12-01
著者
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Hoshino Kazuhiro
Department of Materials Systems Engineering and Life Science, Toyama University
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AKAKABE Setsuko
Department of Material Systems Engineering and Life Science, Faculty of Engineering, University of T
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Hoshino Kazuhiro
Department Of Materials Systems Engineering And Life Science Toyama University
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MOROHASHI Shoichi
Department of Chemical Engineering, Faculty of Engineering, Toyama University
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SASAKURA Toshisuke
Department of Chemical and Biochemical Engineering, Toyama University
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ISHII Hiroyuki
Department of Chemical and Biochemical Engineering, Toyama University
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Sasakura T
Toyama Univ. Toyama
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Akakabe Setsuko
Section Of Functional Molecule Production Systems Field Of Nano And Functional Material Sciences Gra
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Hoshino Kazuhiro
Section Of Functional Molecule Production Systems Field Of Nano And Functional Material Sciences Gra
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Morohashi S
Depertment Of System Engineering Of Materials And Life Science Toyama University
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Morohashi Shoichi
Section Of Functional Molecule Production Systems Field Of Nano And Functional Material Sciences Gra
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Morohashi Shoichi
Department Of Chemical Engineering Faculty Of Engineering Toyama University
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Ishii H
Department Of Chemical And Biochemical Engineering Toyama University
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Morohashi Shoichi
Department of Chemical and Biochemical Engineering, Toyama University
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Akakabe Setsuko
Department of Chemical and Biochemical Engineering, Toyama University
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Hoshino Kazuhiro
Department of Chemical and Biochemical Engineering, Toyama University
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SASAKURA TOSHISUKE
Department of Chemical and Biochemical Engineering, Faculty of Engineering, Toyama University
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