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Studies on the extraction of Copper(II) with 4-alkyldithiocarboxylate derivatives of 1-phenyl-3,5-dioxopyrazolidine

Authors
Journal
Talanta
0039-9140
Publisher
Elsevier
Publication Date
Volume
43
Issue
4
Identifiers
DOI: 10.1016/0039-9140(95)01760-7
Keywords
  • Copper(Ii)
  • Minerals
  • 1-Phenyl-3
  • 5-Dioxopyrazolidine

Abstract

Abstract The extraction behaviour of copper(II) from acid solutions (pH 0–6) was studied with the new reagent 4-alkyldithiocarboxylate-3,5-dihydroxy-l-phenylpyrazol (HL; alkyl = n-butyl, n-dodecyl). The species extracted was found to be ML 2. The reagent was used to separate copper(II) from iron(III) in an acidic lixiviation solution of a mineral sample composed of enarguite (Cu 3AsS 4) and pyrite (FeS 2). Additionally, the extraction efficiency of this new reagent was compared with the commercially available LIX 984 N extradant of copper (II).

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