Journal of Radioanalytical and Nuclear Chemistry

, Volume 304, Issue 3, pp 1043–1052 | Cite as

Rapid determination of 90Sr from 90Y in seawater

  • M. Tayeb
  • X. Dai
  • E. C. Corcoran
  • D. G. Kelly


A rapid method for indirect determination of 90Sr from its progeny 90Y in seawater was developed. The method employed a fast and effective two-step co-precipitation followed by separation of Sr/Y using extraction chromatography. The novel co-precipitation technique removed excessive dominant salts of seawater and enabled sequential measurement of 90Y by both Čerenkov counting and liquid scintillation assay (LSA). Mean chemical recovery was 88 ± 7 %. Sample preparation time was estimated to be <4 h for a set of ten samples. The minimum detectable concentration of 90Y measured by Čerenkov counting and LSA techniques were 0.11 and 0.18 Bq L−1, respectively, for 1 L seawater and 1 h counting time on a Hidex liquid scintillation counter. Method performance evaluation demonstrated excellent results.


Seawater 90Sr 90Co-precipitation Purification Fukushima 



The authors sincerely appreciate the help of individuals at the CFB Esquimalt, British Columbia, Canada, who helped in this project by providing seawater. The authors also gratefully acknowledge the financial support from the federal science and technology program of Canadian Nuclear Laboratories Limited.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2015

Authors and Affiliations

  • M. Tayeb
    • 1
    • 2
  • X. Dai
    • 1
  • E. C. Corcoran
    • 2
  • D. G. Kelly
    • 2
  1. 1.Canadian Nuclear LaboratoriesChalk RiverCanada
  2. 2.Chemistry & Chemical Engineering DepartmentRoyal Military College of CanadaKingstonCanada

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