SOLVENT EXTRACTION OF CADMIUM(II) FROM THIOCYANATE SOLUTIONS WITH METHYLISOBUTYLKETONE AND TRIOCTYLPHOSPHINE OXIDE IN HEXANE
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概要
- 論文の詳細を見る
Solvent extractions of cadmium(II) in aqueous sodium thiocyanate solution and 1 mol dm^<-3> Na(SCN,C10_4) constant ionic media have been studied at 298 K. The extraction with methylisobutylketone(4-methyl-2-pentanone) was poor but that with trioctylphosphine oxide in hexane way effective if the concentration was above 1 × 10^<-2> mol dm^<-3>. By a chelate extraction method, the stability constants of the thiocyanate complexes were determined and the extraction equilibria with these solvating type extractants were analyzed by using these constants. From a comparison of the results with those of zinc(II), it was concluded that though cadmium(II) complexes are more stable than those of zinc(II), their extractability is much inferior to that of the latter.
- 社団法人日本分析化学会の論文
- 1982-12-05
著者
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SEKINE Tatsuya
Department of Chemistry, Science University of Tokyo
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Iwahori Shigehisa
Department Of Chemistry Science University Of Tokyo
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Sekine Tatsuya
Department Of Applied Chemistry Kanagawa Institute Of Technology
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MURAI Ryokichi
Department of Chemistry, Science University of Tokyo
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Murai Ryokichi
Department Of Chemistry Science University Of Tokyo
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Sekine Tatsuya
Departemnt of Chemistry, Science University of Tokyo
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