Neutron activation analysis of low level lithium in water samples |
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| Authors: | M Itoh Y Yamada N Kiriyama K Komura K Ueno M Sakanoue |
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| Institution: | (1) Low Level Radioactivity Laboratory, Kanazawa University, Tatsunokuchi-machi, 923-12 Ishikawa, Japan;(2) School of Pharmacy, Hokuriku University, Kanagawa-machi, 920-11 Kanazawa, Japan;(3) Kanazawa University, Miyano-machi 14-20, 665 Takarazuka, Japan |
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| Abstract: | For determining low level lithium concentrations in water, a neutron activation method based on the measurement of tritium radioactivity produced by6Li(n, )3H reaction has been developed. This method is specific and free from interference by other chemical elements. Using a low background liquid scintillation counter for tritium measurement, the detection limit is approximately 0.3 ppm during irradiation at a thermal neutron flux density of 1.1·107n·cm–2·s–1 for 6 hours by a small nuclear reactor and liquid scintillation counting for 2000 minutes |
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