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Determination of metal ions by capillary electrophoresis using pre-column complexation with 1,10-phenanthroline

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Abstract

The capillary electrophoretic separation of Fe(II), Cu(II) and Zn(II) ions in an acidic buffer solution (pH 2.5) by complexation with 1,10-phenanthroline is investigated. As 1,10-phenanthroline is a neutral ligand, the positively charged metal complexes formed migrate in the same direction as the EOF, providing a rapid separation of metal ions in acidic buffers. The method was applied to the determination of metal ions in vitamin tablets.

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Authors and Affiliations

  1. Technical University of Istanbul, Department of Chemistry, TR-80 626 Maslak, Istanbul, Turkey, , , , , , TR

    F. Bedia Erim & Kezban Akın-Şenel

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  1. F. Bedia Erim
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  2. Kezban Akın-Şenel
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Received: 5 January 1998 / Revised: 27 March 1998 / Accepted: 15 May 1998

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Erim, F., Akın-Şenel, K. Determination of metal ions by capillary electrophoresis using pre-column complexation with 1,10-phenanthroline. Fresenius J Anal Chem 362, 418–421 (1998). https://doi.org/10.1007/s002160051097

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  • DOI: https://doi.org/10.1007/s002160051097

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