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Taniguchi, Yoshinori; Udagawa, Yutaka; Muramatsu, Yasuyuki; Hiruta, Kenta; Amaya, Masaki
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no abstracts in English
Nakamura, Satoshi; Ban, Yasutoshi; Sugimoto, Mie; Tambo, Masaki; Fukaya, Hiroyuki; Hiruta, Kenta; Yoshida, Takuya; Uehara, Hiroyuki; Obata, Hiroki; Kimura, Yasuhiko; et al.
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In Nuclear Science Research Institute at JAEA, detailed studies with regard to the elemental and nuclide compositions of fuel debris have been proceeding. We have conducted dissolution of the samples by alkaline fusion with sodium peroxide and chemical analysis by ICP-AES, alpha and gamma spectrometer, and TIMS. After studying the dissolution methods with various types of simulated debris, a demonstration test with TMI-2 debris was conducted. The elemental composition in the dissolved solution of TMI-2 debris consistent with the results of SEM/WDX and XRD analyses, and the validity of the present method was confirmed. In this presentation, the details of each analysis and the issues raised through the analysis will be introduced.