EXTRACTION OF GOLD fill) FROM HYDROCHLORIC ACID SOLUTIONS BY TRI-ISOBUTYL PHOSPHINE SULFIDE IN TOLUENE.
- 1 June 1990
- journal article
- research article
- Published by Taylor & Francis in Solvent Extraction and Ion Exchange
- Vol. 8 (3), 491-502
- https://doi.org/10.1080/07366299008918013
Abstract
The extractant th-isobutyl phosphine sulfide (TIBPS ), Cyanex 471, in toluene has been investigated for the extraction of Au (III) from aqueous HCI solutions. Analysis of the equilibrium data shows that the extraction proceeds via a solvating type mechanism by the formation of the species AuCI3.FI and AuCl3.2R, for which formation constants are log 677 β= 34.84 and log β= 42.04 respectively (R =TIBPS).Keywords
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