Evaluation of solubility of radioelement under nitrate solution, 3; Effect of nitrate ion on solubility of Np, Tc and Se

Mihara, Morihiro ; Kamei, Gento ; Nakazawa, Toshiyuki*; Yamada, Norikazu*

To evaluate effects of nitrate on nuclide migration parameter, we performed solubility experiments of Np(IV), Tc(IV) and Se(0) with nitrated ion. The significant enhancements of the solubility were not observed since oxidization of nitrate ion. The dependency of solubility of Np(IV) with concentration of nitrate ion was simulated using modified stability constant and ion strength correction.

Language	:	Japanese
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Meeting title	:	日本原子力学会2009年秋の大会
Held date	:	2009/09
Location (city)	:	仙台
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	ENTRY(地層処分基盤研究施設)
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Registration No. : BB20090742
JAEA Abstracts No. :
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