Selective separation of bismuth (212Bi) from A228Th source |
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| Affiliation: | 1. Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan;2. Institute of Toxicology, College of Medicine, National Taiwan University, Taipei, Taiwan;3. Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan;1. Department of Chemistry, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819–0395, Japan;2. National Institute of Polar Research, 10–3 Midori-cho, Tachikawa-shi, Tokyo 190–8518, Japan;3. Department of Polar Science, The Graduate University for Advanced Studies (SOKENDAI), Shonan, Hayama, Kanagawa 240–0193, Japan;4. Faculty of Pure and Applied Sciences and Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 1–1-1 Tennodai, Tsukuba, Ibaraki 305–8577, Japan;5. Nuclear Professional School, School of Engineering, The University of Tokyo, 7–3-1 Hongo, Bunkyo-ku, Tokyo 113–8654, Japan;6. Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology, 2–12-1 Ookayama, Meguro-ku, Tokyo 152–8550, Japan;7. Japan Atomic Energy Agency, Nuclear Science Research Institute, 2–4 Shirakata, Tokai-mura, Naka-gun, Ibaraki 319–1195, Japan;8. Japan Atomic Energy Agency, Nuclear Fuel Cycle Engineering Laboratories, 4–33 Muramatsu, Tokai-mura, Naka-gun, Ibaraki 319–1194, Japan;9. Radiochemistry Unit, Department of Chemistry, University of Helsinki, Finland;10. SUBATECH, IMT Atlantique, CNRS-IN2P3, the Nantes University, Nantes 44307, France;11. Earth & Planetary Sciences and Center for International Security and Cooperation, Stanford University, Stanford, CA 94305–2115 USA;1. Department of Decommissioning and Waste Management, Japan Atomic Energy Agency, 2-4 Shirakata, Tokai-mura, Naka-gun, Ibaraki, 319-1195, Japan;2. Graduate School of Environmental Studies, Tohoku University, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8579, Japan;3. Graduate School of Science and Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama, Saitama, 338-8570, Japan;4. Comprehensive Analysis Center for Science, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama, Saitama, 338-8570, Japan |
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| Abstract: | Using alkyl radicals, the nuclides216Po,212Pb,212Bi and208Tl can be transported from a228Th source to a detection position. The separation of the alkyl compounds was investigated either using thermal decomposition or a reaction with a gas which yields a non volatile compound. Whereas the thermal decomposition leads only to low enrichment factors,212Bi was separated selectively by introducing chlorine into the gas phase system. |
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