A Study of Silver(I) Complexes with Some π-Donors and n-Donors in Chloroform by the Solvent Extraction Method
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概要
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The solvent extraction of silver(I) in a 0.1 M constant-ionic-strength solution into chloroform with 2-thenoyltrifluoroacetone(TTA) and with caproic acid was studied by means of radiometry. It was found that these extractions are enhanced by the addition of aliphatic and cyclic alkenes, of aromatic hydrocarbons, and of some n-donors. The enhancement of the extraction was explained in terms of the formation of molecular complexes of the silver(I)-TTA chelate or of silver(I) caproate in chloroform. By an analysis of the experimental data, the stability constant of the silver(I)-TTA chelate in the aqueous phase, and the stability constants of the molecular complexes in the chloroform phase with these donors, were determined. Some consideration was made of these results and of the possibility of the application of these extraction systems to analytical chemistry.
- 公益社団法人 日本化学会の論文
著者
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Takahashi Yoshihiro
Department Of Applied Physics Osaka City University
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Sekine Tatsuya
Departemnt of Chemistry, Science University of Tokyo
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