Anion exchange studies of indium(III) in malonate and ascorbate solutions separation from mixtures |
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Authors: | R. Sitaram S. M. Khopkar |
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Affiliation: | (1) Department of Chemistry, Indian Institute of Technology, 400 076 Bombay, India |
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Abstract: | Summary Systematic studies are presented on the anion-exchange behaviour of indium on Dowex 21K in malonic acid and ascorbic acid solutions. Hydrochloric, sulphuric, nitric and perchloric acids, also sodium and ammonium nitrate at different concentrations were tested as eluants in the two systems. Their efficiency was evaluated in terms of elution constants. Methods have been developed for the separation of indium from several elements in malonate as well as ascorbate media with the technique of selective sorption, selective elution or by gradient elution. |
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