Journal of Radioanalytical Chemistry

, Volume 80, Issue 1–2, pp 115–120 | Cite as

Determination of uranium by XRF analysis following its preconcentration with some organic precipitants

  • V. Spěváčková
  • J. J0hn
  • M. Pražská
Radioanalytical Methods


The determination of uranium in natural waters by XRF analysis after its preconcentration with some organic precipitants is described.109Cd source is used for the excitation of L-series X-rays of uranium. Separation yield, kinetics of coprecipitation and the possibility of preparing thin-layer samples for XRF analysis were studied in detail for uranium concentration with α-nitroso-β-naphtol, methylene blue with ammonium thiocyanate, tannin with urotropine and other precipitants. A procedure using coprecipitation of uranium with α-nitroso-β-naphtol from 500 ml samples of surface or waste, waters is proposed.


Uranium Tannin Methylene Blue Nitroso Ammonium Thiocyanate 
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Copyright information

© Akadémiai Kiadó 1983

Authors and Affiliations

  • V. Spěváčková
    • 1
  • J. J0hn
    • 1
  • M. Pražská
    • 1
  1. 1.Department of Nuclear ChemistryTechnical University of PraguePrague 1(Czechoslovakia)

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