Extraction of palladium(II) by the hexachloroderivate of cobalt dicarbolide from nitric acid medium |
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| Authors: | J. Příhoda M. Kyrš |
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| Affiliation: | 1. Department of Inorganic Chemistry, J. E. Purkyně University, Kotlá?ská Street 2, 611 37, Brno, (Czechoslovakia)
2. Institute of Nuclear Research, 250 68, ?e?, (Czechoslovakia)
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| Abstract: | Liquid—liquid extraction of divalent palladium by solutions of the hexachloroderivate of cobalt dicarbolide (HBCl6) in the mixture of solvents (30 v/v % nitrobenzene+20 v/v % n-dodecane +50 v/v/ % toluene) from nitric acid medium has been studied. Besides HBCl6 the organic phase contained also 2,2′-dipyridyl (dipy). The yield of palladium extraction from 0.5M HNO3 is greater than 99.0%. The species extracted into the organic phase corresponds to the formula [Pd(dipy)2] (BCl6)2. |
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