Specific sorption behavior of actinoids on biogenic Mn oxide

Tanaka, Kazuya* ; Tani, Yukinori*; Onuki, Toshihiko

We made sorption experiments of actinides on Mn oxide in dilute NaCl solution. Sorption affinity of actinides on synthetic Mn oxide was Th(IV) U(VI) Np(V). The specific sorption behavior of actinides on biogenic Mn oxide was observed. Thorium sorbed on biogenic Mn oxide was desorbed into solution with increasing time. Neptunium was not sorbed on biogenic Mn oxide. The specific sorption behavior is possibly due to organic ligands released from microorganisms and surface property of biogenic Mn oxide.

Language	:	English
Journal	:	Chemistry Letters
Volume	:	40
Number	:	8
Pages	:	p.806 - 807
Publication Year/Month	:	2011/08
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Paper URL	:	https://doi.org/10.1246/cl.2011.806
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Keywords	:	no keyword
Research Facility	:	第4研究棟
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Registration No. : AA20110184
JAEA Abstracts No. : 40000567
Paper Submission No. : 10459

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