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Measurement of 3H, 36Cl, 22Na, 85Sr and 133Ba activities from synthetic groundwater

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Abstract

Radioactive elements (3H, 36Cl, 22Na, 85Sr and 133Ba) was used and measured in one of the in-situ experiments. The separation scheme had to be developed and optimized. 36Cl was first extracted by silver chloride precipitation and then 85Sr and 133Ba were extracted by Sr/Ba carbonate precipitation after which activities of 3H and 36Cl were measured by liquid scintillation counting while activities of gamma emitters (22Na, 85Sr and 133Ba) were measured by gamma spectrometry from the initial solution. In the precipitation, the recoveries of 36Cl and 85Sr were 100 % while the recovery of 133Ba was about 85 %. The detection limit of 3H was 0.1 Bq g−1 whereas the detection limit of 36Cl was 0.05 Bq g−1.

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Authors and Affiliations

  1. Radiochemistry Laboratory, School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 73000, People’s Republic of China

    Lijuan Qian

  2. Department of Chemistry, University of Helsinki, P.O. Box 55, 00014, Helsinki, Finland

    Lijuan Qian, Kerttuli Helariutta, Jussi Ikonen, Marja Siitari-Kauppi & Mikko Voutilainen

  3. Posiva Oy, Olkiluoto, 27160, Eurajoki, Finland

    Lasse Koskinen

Authors
  1. Lijuan Qian
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  2. Kerttuli Helariutta
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  3. Jussi Ikonen
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  4. Marja Siitari-Kauppi
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  5. Mikko Voutilainen
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  6. Lasse Koskinen
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Correspondence to Lijuan Qian.

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Qian, L., Helariutta, K., Ikonen, J. et al. Measurement of 3H, 36Cl, 22Na, 85Sr and 133Ba activities from synthetic groundwater. J Radioanal Nucl Chem 306, 131–137 (2015). https://doi.org/10.1007/s10967-015-4068-7

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  • DOI: https://doi.org/10.1007/s10967-015-4068-7

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