Solvent extraction characteristics of thiosubstituted organophosphinic acid extractants

K. C. Sole, J Brent Hiskey

Research output: Chapter in Book/Report/Conference proceedingChapter


Commercial operations for the separation of cobalt from nickel have been successfully carried out using organophosphoric, -phosphonic, and -phosphinic acid extractants. Two new reagents in this class are the mono and dithio analogs of the commercial dialkylphosphinic acid, Cyanex 272. Characterization of Cyanex 272, Cyanex 302 (bis-(2,4,4-trimethylpentyl)-thiophosphinic acid), and Cyanex 301 (bis-(2,4,4,-trimethylpentyl)-dithiophosphinic acid) has been undertaken. A comparison of the solvent extraction behavior of metallurgically important first-row transition metal ions from acidic sulfate solution by these reagents is reported. (from Authors)

Original languageEnglish (US)
Title of host publicationUnknown Host Publication Title
ISBN (Print)0444896562, 9780444896568
StatePublished - 1992

ASJC Scopus subject areas

  • General Engineering


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