A review of methods of separation of the platinum-group metals through their chloro-complexes

F.L. Bernardis, R.A. Grant, D.C. Sherrington

Research output: Contribution to journalArticle

266 Citations (Scopus)

Abstract

The platinum-group metals (PGM) are technologically important metals which are becoming increasingly relevant in reducing harm to the environment. The separation and purification of the PGM is largely carried out by exploiting differences in the chemistry of their anionic chloro-complexes. These differences include ligand substitution kinetics, ammonium salt solubility, ion-exchange reactions and redox potentials. A general description of both classical and modem refining methods is presented together with a review of possible future technologies.
Original languageEnglish
Pages (from-to)205-217
Number of pages12
JournalReactive and Functional Polymers
Volume65
Issue number3
DOIs
Publication statusPublished - Dec 2005

Keywords

  • platinum-group metals
  • chemistry
  • separation
  • solvent extraction
  • solid-phase extraction
  • chromatography

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