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Solvent extraction experiments were conducted to recover pure Pt(IV) and Rh(III) from the chloride leach liquor of glass industry scraps containing a small amount of Fe(III) using Alamine 336, TOPO, TBP and Cyanex 923. The Pt(IV) and Fe(III) were selectively extracted by Cyanex 923 leaving Rh(III) in the raffinate, while only Fe(III) was extracted by TBP. The Pt(IV) in the loaded Cyanex 923 phase...
Platinum group metals find extensive use in automobile catalysts, space materials and cancer therapy. Their natural resources are limited thus their recovery from the secondary sector has assumed a great significance. Liquid–liquid extraction provides an effective methodology for the said purpose. The present paper discusses the extraction behavior of platinum(IV), rhodium(III) and palladium(II) from...
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