Partial separation of rhodium and iridium using polyurethane foam |
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| Authors: | H. J. M. Bowen A. J. Leach |
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| Affiliation: | (1) Chemistry Department, University of Reading, Whiteknights, P.O.Box 224, Reading, UK |
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| Abstract: | Rhodium/III/ solutions react with tin/II/ chloride to form a short-lived yellow complex which is extracted by polyurethane foam. Iridium/IV/ solutions are decolourised by tin/II/ chloride but the metal is poorly extracted by foam. The rhodium/III/ complex is readily desorbed from foam using hydrochloric acid and acetone. |
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