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Flüssig-chromatographische Trennung von Lanthanoid-Komplexen mittels Ionenpaar-Chromatographie (HPLC)

Liquid-chromatographic separation of complexes of the lanthanoids by ion-pair chromatography (HPLC)

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Summary

The liquid-chromatographic separation conditions of lanthanoid acetylacetonates and lanthanoid EDTA complexes were investigated by means of HPLC. An ionpair-chromatographic separation method was developed for the EDTA complexes using tetraalkylammonium salts and reversed-phase materials. The dependence of retention on the chemical nature and the concentration of the salt addition and the pH-value of the mobile phase (water/methanol) was investigated.

Zusammenfassung

Die flüssig-chromatographischen Trenneigenschaften von Lanthanoid-Acetylacetonat- und Lanthanoid-EDTA-Komplexen wurden mittels HPLC systematisch untersucht. Für die EDTA-Komplexe der Lanthanoide wurde auf Umkehrphasen ein ionenpaar-chromatographisches Trennverfahren unter Anwendung von Tetraalkylammoniumsalzen entwickelt. Hierbei wurde insbesondere die Abhängigkeit der Retentionseigenschaften von Art und Konzentration des Salzzusatzes und dem pH-Wert der mobilen Phase (Wasser/Methanol) ermittelt.

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Authors and Affiliations

  1. Lehrstuhl für Analytische Chemie, Ruhr-Universität Bochum, Postfach 102148, D-4630, Bochum, Bundesrepublik Deutschland

    Hans-Jürgen Götze & Doris Bialkowski

Authors
  1. Hans-Jürgen Götze
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  2. Doris Bialkowski
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Götze, HJ., Bialkowski, D. Flüssig-chromatographische Trennung von Lanthanoid-Komplexen mittels Ionenpaar-Chromatographie (HPLC). Z. Anal. Chem. 323, 350–354 (1986). https://doi.org/10.1007/BF00474599

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  • DOI: https://doi.org/10.1007/BF00474599

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