Measurement of240Pu/239Pu ratio by fission track method and inductively coupled plasma mass spectrometry |
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| Authors: | C K Kim Y Oura Y Takaku H Nitta Y Igarashi N Ikeda |
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| Institution: | (1) Department of Chemistry, University of Tsukuba, 305 Tsukuba, Ibaraki, Japan;(2) Marubun Co., Odenma-cho 8-1, Nihonbashi, Chuo-Ku, 103 Tokyo, Japan;(3) Division of Radioecology, National Institute of Radiological Sciences, Isozaki 3601, 311-12 Nakaminato, Ibaraki, Japan |
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| Abstract: | Fission track /FT/ method and inductively coupled plasma mass spectrometry /ICP-MS/, that is a new analytical technique for the analysis of trace element, were used for the measurement of240Pu/239Pu ratios in environmental samples. The results obtained by both methods are in agreement within the relative deviation of 9–13%. The precision in ICP-MS was found to be better than in it the FT-method. These methods are applicable to measure the Pu isotopes ratio at low concentration levels in environmental samples. |
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