Behavior of iodine in the soil-water and rock-water systems

Togo, Yoko*; Takahashi, Yoshio*; Amano, Yuki ; Matsuzaki, Hiroyuki*; Muramatsu, Yasuyuki*; Iwatsuki, Teruki

To understand behavior of iodine in shallow and deep underground is essential because radioactive wastes, which contain high levels of radioiodine, are planned to be stored in underground nuclear-waste repository. We determined iodine distribution, speciation, and isotope ratio ( $^{129}$ I/ $^{127}$ I), to investigate long-term migration of iodine in diatomaceous and siliceous shales, using core and groundwater samples collected at JAEA Horonobe underground research center. Iodine exists as I- in groundwater, while that in shales is a mixture of organic and inorganic I.

Language	:	Japanese
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Meeting title	:	2011年度日本地球化学会年会
Held date	:	2011/09
Location (city)	:	札幌
Location (country)	:	日本
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Keywords	:	no keyword
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Cooperating Institute	:	広島大学

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Registration No. : BB20110883
JAEA Abstracts No. :
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