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Rapid trace determination of radiostrontium in milk and drinking water

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Abstract

A rapid method for determining traces of radiostrontium in milk and drinking water is described. The technique involves a batch treatment of the milk sample with a cation exchanger (DOWEX 50W X8) followed by a solvent extraction with a crown ether (DC18C6) and a precipitation of SrCO3. In the case of water, the strontium is extracted directly with the crown ether. The average separation yield is 74% for milk and 91% for water. The overall separation procedure takes about 8 hours. Activities as low as 0.03 Bq/1 can be determined with a low background GM-counter.

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Authors and Affiliations

  1. Institut d'Electrochimie et de Radiochimie, Swiss Federal Institute of Technology, CH-1015, Lausanne, (Switzerland)

    B. Vaney, C. Friedli, J. J. Geering & P. Lerch

Authors
  1. B. Vaney
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  2. C. Friedli
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  3. J. J. Geering
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  4. P. Lerch
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Vaney, B., Friedli, C., Geering, J.J. et al. Rapid trace determination of radiostrontium in milk and drinking water. Journal of Radioanalytical and Nuclear Chemistry, Articles 134, 87–95 (1989). https://doi.org/10.1007/BF02047273

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  • DOI: https://doi.org/10.1007/BF02047273

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