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Radiochemistry

, Volume 46, Issue 6, pp 570–573 | Cite as

Precipitation of Am(III) and REE peroxides from alkaline solutions containing complexing agents

  • A. V. Gogolev
  • M. V. Nikonov
  • I. G. Tananaev
  • B. F. Myasoedov
Article
  • 20 Downloads

Abstract

Precipitation of Am(III) and REE peroxides from alkaline-citrate solutions was studied spectrophotometrically. Hydrogen peroxide (0.25–0.4 M) quantitatively precipitates Am(III) and Nd(III) ions from a solution containing 0.1 M NaOH and 0.2–0.4 M citrate. After H2O2 decomposition, the precipitates formed are dissolved in the mother liquor. At lower alkali concentration, 4f and 5f metal ions are precipitated incompletely. In the systems studied, Am and Nd form citrate and hydroxo-citrate complexes in a solution and peroxides in the solid phase.

Keywords

Hydrogen Precipitation H2O2 Peroxide Citrate 
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

  • A. V. Gogolev
    • 1
  • M. V. Nikonov
    • 1
  • I. G. Tananaev
    • 1
  • B. F. Myasoedov
    • 1
  1. 1.Vernadsky Institute of Geochemistry and Analytical ChemistryRussian Academy of SciencesMoscowRussia

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