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Chromatographia

, Volume 39, Issue 11–12, pp 693–696 | Cite as

Determination of palladium and gold as 4,4′-bis(dimethylamino)thiobenzophenone complexes by ion-pair reversed-phase liquid chromatography

  • X. S. Zhang
  • C. S. Lin
  • G. J. Quiao
  • L. Z. Liu
Article

Summary

Palladium (II) and gold (III) were separated by ionpair reversed-phase, HPLC with detection at 535 nm. 4,4′-Bis(dimethylamino)thiobenzophenone (TMK) was used as a pre-column complexing agent. The optimum conditions for the separation and determination of Pd(II) and Au(III)-TMK complexes were investigated. The complexes were separated on a Nucleosil C18 column with tetrahydrofuran-water containing acetic acid-sodium acetate buffer, sodium perchlorate and TMK. The proposed method has been used to determine palladium and gold in gold recovery solution and anode mud from copper smelters.

Key Words

Liquid chromatography Palladium and gold 4,4′-Bis(dimethylamino)thiobenzophenone Copper smelter residues 

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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 1994

Authors and Affiliations

  • X. S. Zhang
    • 1
  • C. S. Lin
    • 1
  • G. J. Quiao
    • 1
  • L. Z. Liu
    • 1
  1. 1.Department of Applied ChemistryUniversity of Science and Technology of ChinaHefei, AnhuiP.R. China

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