Determination of 90Sr-90Y activity in urine samples by using Cherenkov counting

S. Tsroya, U. German, O. Pelled, E. Katorza, Z. B. Alfassi

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Cherenkov counting of the 90Sr-90Y pure beta emitters in aqueous samples is an attractive method; but color quenching correction is needed, this being especially significant for urine which is characterized by a strong coloration. A quench correction method based on the external source of some liquid scintillation systems (named ESAR-External Source Area Ratio) was proposed for aqueous solutions. In the present work, the application of the ESAR method for determination of 90Sr-90Y in human urine samples is described.

Original languageEnglish
Pages (from-to)12-16
Number of pages5
JournalApplied Radiation and Isotopes
StatePublished - 1 Mar 2013


  • Cherenkov
  • Counting
  • External source
  • Urine

ASJC Scopus subject areas

  • Radiation


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