Anion-exchange separation of rhodium and iridium by ECTEOLA-cellulose column
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説明
The separation of Rh(III) and Ir(IV) in amounts of 20–5300 and 20–7700 μg, respectively, and in ratios of Rh∶Ir=1∶100 to 100∶1 was achieved without cross-contamination by use of a 3 g ECTEOLA-cellulose column. Rh was first eluted with 40 ml of a 3 mol/l HCl-1% (w/v) NaClO3 solution. Ir(IV) was desorbed with 60 ml of a 6 mol/l HCl-0.1% (w/v) NaClO3 solution. Quantitative recoveries were obtained for each metal. The present method provides much better resolution than the other existing anion-exchange methods and can effectively be applied to the separations and recoveries of Rh and Ir(III or IV) present in a more extensive range of amounts and ratios.
収録刊行物
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- Fresenius' Zeitschrift f�r Analytische Chemie
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Fresenius' Zeitschrift f�r Analytische Chemie 332 791-794, 1988-01-01
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