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Fast preparation and gas-chromatographic separation of lanthanide and actinide hexafluoroacetylacetonates

Schnelle Herstellung und gas-chromatographische Trennung von Hexafluoracetylacetonaten der Lanthaniden und Actiniden

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  • Radioanalytic Methods
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Zusammenfassung

Die schnelle Trennung der Lanthanidenelemente durch Gas-Chromatographie ihrer Hexafluoracetylacetonate wird beschrieben. Einzelne Lanthanide können innerhalb von wenigen Minuten isoliert und die ganze Gruppe kann in weniger als 10 min aufgetrennt werden. Die Hexafluoracetylacetonate werden als Mischkomplexe mit Tri-n-butylphosphat oder Trioctylphosphinoxid angewandt, die durch schnelle Extraktion in quasi-feste Lösungsmittel hergestellt werden. Die Übertragbarkeit dieser Methode auf dreiwertige Actinidenelemente wird aufgezeigt, einschließlich der schnellen Herstellung dünner Meßpräparate.

Summary

A fast method for the separation of lanthanide elements by gas chromatography of their hexafluoroacetylacetonates is described. Individual lanthanides can be isolated within a few minutes, and the whole group can be separated in less than 10 min. The hexafluoroacetylacetonates are applied in form of mixed complexes with tri-n-butyl phosphate or trioctylphosphine oxide prepared by fast extraction into quasi-solid solvents. The applicability of this method for the separation of trivalent actinide elements is shown, including the fast preparation of thin counting samples.

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Authors and Affiliations

  1. Institut für Kernchemie, Universität Mainz, D-6500, Mainz, Federal Republic of Germany

    N. Greulich, U. Hickmann, N. Trautmann & G. Herrmann

  2. Gesellschaft für Schwerionenforschung, D-6100, Darmstadt, Federal Republic of Germany

    G. Herrmann

Authors
  1. N. Greulich
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  2. U. Hickmann
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  3. N. Trautmann
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  4. G. Herrmann
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Dedicated to Prof. Dr. K. H. Lieser on the occasion of his 65th birthday

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Greulich, N., Hickmann, U., Trautmann, N. et al. Fast preparation and gas-chromatographic separation of lanthanide and actinide hexafluoroacetylacetonates. Z. Anal. Chem. 323, 839–845 (1986). https://doi.org/10.1007/BF00475767

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  • DOI: https://doi.org/10.1007/BF00475767

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