Radiochemical determination of uranium and radium isotope in natural water using liquid scintillation counter

  • Yoon Yeol Yoon
  • Soo Young Cho
  • Kil Yong Lee
  • Kyung Seok Ko
  • Kyoochul Ha


234U, 238U, 226Ra, and 228Ra were analyzed in 14 Korean hot spring waters. Uranium was extracted with mixture of extractive scintillation cocktail containing HDEHP and 234U, 238U were analyzed with LSC. Radium isotopes were separated using Ba coprecipitation method and counted with LSC and 228Ra was also analyzed its daughter 228Ac with HPGe γ-detector. Among them 226Ra was ranged <0.01–0.155 Bq/L and 228Ra is below detection limit <0.1 Bq/L. And also, uranium content was ranged <0.01–49.7 μg/L and 234U/238U ratio was ranged 0.69–1.17.


Uranium Radium Isotope Radiochemical separation LSC 



This research was supported by the Basic Research Project (12-3211) of the Korea Institute of Geoscience and Mineral Resources (KIGAM) funded by the Ministry of Knowledge Economy of Korea.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2012

Authors and Affiliations

  • Yoon Yeol Yoon
    • 1
  • Soo Young Cho
    • 1
  • Kil Yong Lee
    • 1
  • Kyung Seok Ko
    • 1
  • Kyoochul Ha
    • 1
  1. 1.Geologic Environment DivisionKorea Institute of Geoscience & Mineral ResourcesDaejeonKorea

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