Solvent extraction of palladium with bis(2,4,4,-trimethylpentyl)dithi0ph0sphinic acid and bis(2,4,4,-trimethylpentyl)monothiophosphinic acid

Takahiko Kakoi, Masahiro Goto, Fumiyuki Nakashio

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Solvent extraction of palladium(I) with bis(2,4,4,-trimethylpentyl) dithiophosphinic acid (CYANEX 301) and bis(2,4,4,-trimethylpentyl) monothiophosphinic acid (CYANEX 302) in n-heptane diluent was carried out. Measurement of palladium-loading capacity and stripping of palladium extracted by these extractants was also investigated. It was found that both CYANEX 301 and 302 have a high ability of palladium extraction and form the complexes of (palladium) 1 : (CYANEX 301) 1 or (palladium) 1 : (CYANEX 302) 2, individually. The stripping of palladium extracted was very difficult. But when.

Original languageEnglish
Pages (from-to)541-555
Number of pages15
JournalSolvent Extraction and Ion Exchange
Volume12
Issue number3
DOIs
Publication statusPublished - Jun 1 1994

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

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