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Issue 6, 2013
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Selective extraction of gold and platinum in water using ionic liquids. A simple two-step extraction process

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Abstract

We report an all-ionic liquid process for the separation of tetrachloroaurate and hexachloroplatinate complexes. In a first step, gold is removed from water by liquid–liquid extraction with a hydrophobic ionic liquid, 1,2-dimethyl-3-octylimidazolium bis(trifluoromethylsulfonyl)imide. Platinum is subsequently extracted from the solution in the presence of KSCN using 1-methyl-3-octylimidazolium bis(trifluoromethylsulfonyl)imide.

Graphical abstract: Selective extraction of gold and platinum in water using ionic liquids. A simple two-step extraction process

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Publication details

The article was received on 03 Nov 2012, accepted on 29 Nov 2012 and first published on 30 Nov 2012


Article type: Communication
DOI: 10.1039/C2DT32631K
Citation: Dalton Trans., 2013,42, 1979-1982
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    Selective extraction of gold and platinum in water using ionic liquids. A simple two-step extraction process

    N. Papaiconomou, S. Génand-Pinaz, J. Leveque and S. Guittonneau, Dalton Trans., 2013, 42, 1979
    DOI: 10.1039/C2DT32631K

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