Journal of Radioanalytical and Nuclear Chemistry

, Volume 304, Issue 3, pp 1043–1052

Rapid determination of 90Sr from 90Y in seawater

Article

Abstract

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.

Keywords

Seawater 90Sr 90Co-precipitation Purification Fukushima 

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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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