Chromatographia

, Volume 31, Issue 11–12, pp 539–543 | Cite as

Reversed-phase ion-interaction chromatography of metal ions by EDTA precomplexation

  • G. Sacchero
  • O. Abollino
  • V. Porta
  • C. Sarzanini
  • E. Mentasti
Originals

Summary

Conditions for the isocratic separation by reversed-phase ion-interaction chromatography of Bi(III), Fe(III), Co(III), Ni(II), Cu(II) and Pb(II) chelates with ethylenediaminetetraacetic acid have been studied using UV-Vis detection. Both chromatographic and spectrophotometric conditions for the determination of these metal chelates are discussed including ion-interaction reagent concentration, water/methanol ratio, ionic strength, pH and absorbing wavelengths. Detection limits are particularly satisfactory for Bi(III), Fe(III) and Co(III) chelates.

Key Words

Column liquid chromatography Ion-interaction chromatography EDTA complexes Heavy metal ions 

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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 1991

Authors and Affiliations

  • G. Sacchero
    • 1
  • O. Abollino
    • 1
  • V. Porta
    • 1
  • C. Sarzanini
    • 1
  • E. Mentasti
    • 1
  1. 1.Department of Analytical ChemistryUniversity of TorinoTorinoItaly

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