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Matsunaga, Takeshi
Hoken Butsuri, 33(1), p.80 - 81, 1998/03
no abstracts in English
Oe, Toshiaki*; Yamaguchi, Tetsuji
Nihon Genshiryoku Gakkai-Shi, 40(1), p.47 - 49, 1998/01
no abstracts in English
Amano, Hikaru; Watanabe, Miki*; Onuma, Yoshikazu*; Ueno, Takashi; Matsunaga, Takeshi; N.D.Kuchma*
The Role of Humic Substances in the Ecosystems and in Environmental Protection, 0, p.709 - 716, 1997/00
no abstracts in English
Terashima, Motoki; Endo, Takashi*; Kimuro, Shingo; Miyakawa, Kazuya
no journal, ,
no abstracts in English
Nishi, Shusaku*; Saito, Takumi*; Watanabe, Yusuke; Miyakawa, Kazuya
no journal, ,
no abstracts in English
Nishi, Shusaku*; Miyakawa, Kazuya; Toda, Kanako*; Saito, Takumi*
no journal, ,
In HLW disposal, NOM changes radionuclides behavior. For surface NOM, models that express bonding with metal ions under various conditions have been proposed. To use such models in the safety evaluation of geological disposal, binding reactions between NOM in deep underground and nuclides are evaluated, and features are compared with the NOM in surface. In March 2021, we focused on the fact that NOM fluorescence is extinguished by combining with metal ions, and conducted quenching experiments where europium was added to the deep groundwater containing NOM. Using PARAFAC, a multivariate analysis method, fluorescent NOM components that contribute to binding are identified, and properties and reactivity with europium are discussed. In this presentation, new samples are added for more comprehensive discussions.
