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Solvent extraction of gold with N-substituted benzoylthioureas

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Summary

Benzoylthioureas are excellent reagents for the solvent extraction of gold. Very effective separations of gold from platinum group metals and base metals are possible due to control of the extraction parameters. The best results, a fast extraction and low residual gold concentrations <1 μg/l are obtained with N,N-Di-n-hexylbenzoylthiourea/toluene.

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Authors and Affiliations

  1. Institut für Anorganische Chemie der Universität, Niederurseler Hang, W-6000, Frankfurt/Main 50, Federal Republic of Germany

    P. Vest, M. Schuster & K. -H. König

Authors
  1. P. Vest
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  2. M. Schuster
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  3. K. -H. König
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Vest, P., Schuster, M. & König, K.H. Solvent extraction of gold with N-substituted benzoylthioureas. Fresenius J Anal Chem 341, 566–568 (1991). https://doi.org/10.1007/BF00328498

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  • DOI: https://doi.org/10.1007/BF00328498

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