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Journal of Analytical Chemistry

, Volume 59, Issue 3, pp 246–249 | Cite as

Improving the Selectivity of the Luminescence Determination of Europium(III) with the Use of a Zirconium Phosphate Solid Support

  • S. B. Meshkova
  • Z. M. Topilova
  • N. A. Nazarenko
  • A. V. Litvinenko
  • N. P. Efryushina
Article

Abstract

Conditions for the sorption of europium(III) ions by finely dispersed zirconium oxophosphate and for the formation of Eu complexes upon treatment of the resulting adsorbates with solutions of reagents (Na2WO4; oxalic, nicotinic, quinaldic, benzoic, and nalidixic acids; and benzoyltrifluoroacetone) were studied. It was found that the adsorbate of the Eu complex of nalidixic acid (the ratio of components, 1 : 2) exhibits highly intense luminescence and is characterized by the highest photostability. The use of sorption and the complexation of Eu with nalidixic acid on the sorbent improved the selectivity and lowered the detection limit for the determination of europium in high-purity samarium oxide.

Keywords

Oxide Phosphate Analytical Chemistry Zirconium Europium 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© MAIK “Nauka/Interperiodica” 2004

Authors and Affiliations

  • S. B. Meshkova
    • 1
  • Z. M. Topilova
    • 1
  • N. A. Nazarenko
    • 1
  • A. V. Litvinenko
    • 1
  • N. P. Efryushina
    • 1
  1. 1.Bogatskii Physicochemical InstituteNational Academy of Sciences of UkraineOdessaUkraine

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