Abstracts of Annual Meeting of the Geochemical Society of Japan
58th Annual Meeting of the Geochemical Society of Japan
Session ID : 1C23
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Radioactive noble gases after the 3.11 earthquake
*Keiko Sato, Hidenori Kumagai, Naoyoshi Iwata, Tomo Shibata, Teruyuki Maruoka, Junji Yamamoto, Katsuhiko Suzuki, Yoshiro Nishio
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Keywords: Stable noble gas, radioactive noble gas, earthquake, reactor accident, enviromental noble gas
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Abstract
Radioactive noble gases may be emitted by the accident of Fukushima Daiichi nuclear power station after the 3.11 earthquake. We purposed to detect any increase of radioactive noble gases by using Quadru-pole mass spectrometer. We preliminary found that the Ar-41, Ar-39, Kr-85 and Xe-133 increased ten times or much higher than those pre-earthquake atmospheric abundances. This increase of radioactive and/or radiogenic (stable) noble gases may be attributed to the explosion of reactor.
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© 2011 by The Geochemical Society of Japan
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