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Improved sample preparation method for environmental plutonium analysis by ICP-SFMS and alpha-spectrometry

  • Z. Varga
  • G. Surányi
  • N. Vajda
  • Z. Stefánka
Article

Abstract

A rapid and simple sample preparation method for plutonium determination in environmental samples by inductively coupled plasma sector field mass spectrometry (ICP-SFMS) and alpha-spectrometry is described. The developed procedure involves a selective CaF2 co-precipitation for preconcentration followed by extraction chromatographic separation. The proposed method effectively eliminates the possible interferences in mass spectrometric analysis and also removes interfering radionuclides that may disturb alpha-spectrometric measurement. For 239Pu, 240Pu and 241Pu limits of detection of 9.0 fg·g−1 (0.021 mBq), 1.7 fg·g−1 (0.014 mBq) and 3.1 fg·g−1 (11.9 mBq) were achieved by ICP-SFMS, respectively, and 0.02 mBq by alpha-spectrometry. Results of certified reference materials agreed well with the recommended values.

Keywords

Plutonium Thermal Ionization Mass Spectrometry Accelerator Mass Spectrometry Global Fallout Plutonium Isotope 
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

© Springer Science+Business Media, LLC. 2007

Authors and Affiliations

  • Z. Varga
    • 1
  • G. Surányi
    • 2
  • N. Vajda
    • 3
  • Z. Stefánka
    • 1
  1. 1.Institute of IsotopesHungarian Academy of SciencesBudapestHungary
  2. 2.Research Group of Geophysics and Environmental PhysicsHungarian Academy of SciencesBudapestHungary
  3. 3.Radiochemistry Laboratory, Institute of Nuclear TechniquesBudapest University of Technology and EconomicsBudapestHungary

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