A comparative study for the determination of uranium and uranium isotopes in granitic groundwater

  • Min Hoon Baik
  • Mun Ja Kang
  • Soo Young Cho
  • Jongtae Jeong


In this study, the activities of uranium isotopes for granitic groundwater samples were determined using alpha (α)-particle spectrometry and liquid scintillation counting (LSC). The activity ratios of 234U/238U and the total mass concentration of uranium were also investigated for groundwater samples from different depths. The uranium isotopes were out of secular equilibrium owing to an increased water–rock interaction and to different origins of the groundwater samples. The concentration of 238U in the groundwater samples determined by ICP-MS, showed relatively good consistency with those by α-particle spectrometry, and less so for those determined by LSC.


Uranium isotope Granitic groundwater Activity ratio Alpha-particle spectrometry Liquid scintillation counter 



This work was supported by the National Research Foundation of Korea grant (NRF No. 2012M2A8A5025589) funded by the Korea government (the Ministry of Science, ICT & Future Planning (MSIP)).


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2014

Authors and Affiliations

  • Min Hoon Baik
    • 1
  • Mun Ja Kang
    • 1
  • Soo Young Cho
    • 2
  • Jongtae Jeong
    • 1
  1. 1.Korea Atomic Energy Research InstituteDaejeonRepublic of Korea
  2. 2.Korea Institute of Geoscience and ResourcesDaejeonRepublic of Korea

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