Extraction of gallium(III) and aluminium(III) with O,O-dialkyldithiophosphoric acids

Imre Tóth, E. Brücher, Zoltán Szabó

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The extraction of Ga3+ and Al3+ with the liquid cation-exchangers di-n-butyldithiophosphoric acid (DBTPA) and di-(2-ethylhexyl)dithiophosphoric acid (DETPA) in kerosene, in the presence and absence of alcohols and tri-n-butyl phosphate (TBP) has been studied. Both Ga3+ and Al3+ can be extracted in the form of a neutral complex, MA3, but the distribution coefficient of Ga3+ is the higher by about two orders of magnitude, which can be the basis of the solvent extraction separation of gallium and aluminium. The differences can be explained by the interaction between the sulphur donor atoms of the extractants and the d10 electronic shell of Ga3+ as well as by the lower steric hindrance of ligands co-ordinated to Ga3+.

Original languageEnglish
Pages (from-to)1175-1178
Number of pages4
JournalTalanta
Volume37
Issue number12
DOIs
Publication statusPublished - 1990

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Kerosene
Gallium
Solvent extraction
Aluminum
Sulfur
Cations
Alcohols
Ligands
Atoms
Acids
Liquids
phosphorodithioic acid
tributyl phosphate

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

Cite this

Extraction of gallium(III) and aluminium(III) with O,O-dialkyldithiophosphoric acids. / Tóth, Imre; Brücher, E.; Szabó, Zoltán.

In: Talanta, Vol. 37, No. 12, 1990, p. 1175-1178.

Research output: Contribution to journalArticle

Tóth, Imre ; Brücher, E. ; Szabó, Zoltán. / Extraction of gallium(III) and aluminium(III) with O,O-dialkyldithiophosphoric acids. In: Talanta. 1990 ; Vol. 37, No. 12. pp. 1175-1178.
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