Molecular size distribution of Pu in the presence of humic substances in river and groundwaters

Nagao, S.; Sakamoto, Y.; Tanaka, T.; Rao, R. R.

Molecular size distribution of Pu in the presence of humic substances in river and groundwaters

Nagao, S.; Sakamoto, Y.; Tanaka, T. et al.

Journal of Radioanalytical and Nuclear Chemistry, 2007, 273(1), 135-139

Permalink : https://hdl.handle.net/2115/28234

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アクセス権	open access
URI	https://hdl.handle.net/2115/28234
タイトル	Molecular size distribution of Pu in the presence of humic substances in river and groundwaters
著者	Nagao, S. ; Sakamoto, Y. ; Tanaka, T. ; Rao, R. R.
著者名 Nagao, S.
著者名 Sakamoto, Y.
著者名 Tanaka, T.
著者名 Rao, R. R.
言語	英語
キーワード	Plutonium
	humic substances
	organic complexes
	molecular size distribution
	aquatic environments
発行日	2007-07
出版者	Akadémiai Kiadó, co-published with Springer Science+Business Media B.V.
収録物名	Journal of Radioanalytical and Nuclear Chemistry
巻(号)	273(1)
ページ	135-139
抄録	The association properties of Pu with aquatic humic substances in a 0.01M NaClO4 solution at pH 6–8 were studied on the basis of molecular size distribution. Seven humic substances were isolated from river water and groundwaters using XAD extraction technique. They were used for comparing their effects on the association of Pu. In the presence of humic acid, the dominant molecular size of Pu was 100–30 kDa. In the presence of fulvic acid, Pu exhibited three dominant molecular sizes: 30–10 kDa, 30–5 kDa, and less than 5 kDa. The association of Pu-humus complexes might be controlled by the molecular size distribution of humic substances and characteristics of their respective size fractions.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	The original publication is available at www.springerlink.com
PISSN	0236-5731
EISSN	1588-2780
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1007/s10967-007-0724-x