4.0 Article

Extraction of platinum-group metals from chloride solutions by salts of quaternary ammonium bases and binary extractants

Journal

THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING
Volume 41, Issue 5, Pages 743-751

Publisher

MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S004057950705051X

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Literature data are given on the extraction of platinum-group metals from hydrochloric acid solutions by salts of quaternary ammonium bases, as well as the authors' data on the binary extraction of platinum metals from chloride solutions. The possibility is shown of using binary extractants based on quaternary ammonium bases (QABs) for efficient extraction and separation of platinum-group metals, as well as for simple reextraction of these metals from organic phases by water, contrary to the initial anion-exchange systems with QAB chlorides.

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