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Analysis of 3H, 36Cl, 133Ba, 134Cs and 22Na from synthetic granitic groundwater: an in situ through diffusion experiment at ONKALO

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Abstract

A method for analyzing 3H, 36Cl, 22Na, 133Ba and 134Cs from simulated groundwater (SGW) samples was introduced. Gamma emitting radionuclides 22Na, 133Ba and 134Cs were measured by using an HPGe-detector. Beta emitting 3H and 36Cl were separated from gamma emitting 22Na, 133Ba and 134Cs. AgCl precipitation was used for the separation of 36Cl from SGW samples with yields of 98 ± 2%. 3H was separated by distillation with recoveries of 97 ± 3%. This method was used for the determination of activity concentrations of 3H, 36Cl, 22Na, 133Ba and 134Cs in SGW samples collected from an in situ through diffusion experiment.

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Acknowledgements

The work described here was funded by Posiva Oy, Finland.

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Authors and Affiliations

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

    H. Aromaa, K. Helariutta, J. Ikonen & M. Siitari-Kauppi

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

    M. Yli-Kaila & L. Koskinen

Authors
  1. H. Aromaa
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  2. K. Helariutta
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  3. J. Ikonen
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  4. M. Yli-Kaila
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  5. L. Koskinen
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  6. M. Siitari-Kauppi
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Correspondence to H. Aromaa.

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Aromaa, H., Helariutta, K., Ikonen, J. et al. Analysis of 3H, 36Cl, 133Ba, 134Cs and 22Na from synthetic granitic groundwater: an in situ through diffusion experiment at ONKALO. J Radioanal Nucl Chem 318, 1161–1169 (2018). https://doi.org/10.1007/s10967-018-6139-z

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  • DOI: https://doi.org/10.1007/s10967-018-6139-z

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