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Rapid analysis technique for strontium, thorium, and uranium in urine samples

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Abstract

Rapid analysis for 90Sr, 232Th, and 238U in human urine samples collected in a radiation emergency can be developed by co-precipitation with calcium phosphate and separation using a Sr-resin (Eichrom Technologies, Inc.) column. The nuclides were measured by inductively coupled plasma mass spectrometry (ICP-MS) or a low background β-counter. Spike tests yielded a good recovery of above 90%. Fractions of 90Sr and the other nuclides (232Th and 238U) were separated in about 2 hours. It was judged that the developed method would be an effective bioassay method in radiation emergency.

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Authors and Affiliations

  1. Research Group of Radiation Dose Assessment, Research Center for Radiation Emergency Medicine, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan

    K. Shiraishi, S. Ko, H. Arae & K. Ayama

Authors
  1. K. Shiraishi
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  2. S. Ko
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  3. H. Arae
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  4. K. Ayama
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Shiraishi, K., Ko, S., Arae, H. et al. Rapid analysis technique for strontium, thorium, and uranium in urine samples. J Radioanal Nucl Chem 273, 307–310 (2007). https://doi.org/10.1007/s10967-007-6858-z

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  • DOI: https://doi.org/10.1007/s10967-007-6858-z

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