Effects of chloro substituent on solvent extraction of copper(II) with o-, m-, and p-chlorobenzoic acids.
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概要
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Through the solvent extraction of copper(II) with the three isomeric chlorobenzoic acids in 1-octanol, it has been shown that the entrance of chloro substituent into the three positions in the benzene ring of benzoic acid results in an individuality in the extraction behavior for copper(II). The dimeric copper(II) chlorobenzoates CU<SUB>2</SUB>A<SUB>4</SUB> and Cu<SUB>2</SUB>A<SUB>4</SUB>(HA)<SUB>2</SUB> were responsible for the extraction with <I>m</I>-chlorobenzoic acid together with the monomer CuA<SUB>2</SUB>, while only the monomeric species CuA<SUB>2</SUB> was extracted with <I>o</I>- and <I>p</I>-chlorobenzoic acids. The entrance of chloro group into the ortho position in benzoic acid was found to result in a lowering of both the partition constants of <I>o</I>-chlorobenzoic acid itself and its copper(II) compound. That into the para position has led to a significant decrease in the solubilities of the para isomer and its copper(II) compound in both aqueous and octanol phases.
- 公益社団法人 日本化学会の論文
著者
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YAMADA Hiromichi
Department of Applied Chemistry, Nagoya Institute of Technology
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Yamada Hiromichi
Department Of Applied Chemistry Nagoya Institute Of Technology
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Horikawa Shiho
Faculty of Engineering, Gifu University
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Fujii Yukio
Faculty of Engineering, Gifu University
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Mizuta Masateru
Faculty of Engineering, Gifu University
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