Solvent extraction characteristics of thiosubstituted organophosphinic acid extractants

K. C. Sole; J Brent Hiskey

Solvent extraction characteristics of thiosubstituted organophosphinic acid extractants

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

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 language	English (US)
Title of host publication	Unknown Host Publication Title
Publisher	Elsevier
ISBN (Print)	0444896562, 9780444896568
State	Published - Jan 1 1992
Externally published	Yes

ASJC Scopus subject areas

Engineering(all)

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AU - Hiskey, J Brent

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AB - 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)

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