Anion-exchange behavior of element-105 (Db) in HF/HNO solutions using a newly developed on-line experimental system

Tsukada, Kazuaki ; Kasamatsu, Yoshitaka; Asai, Masato ; Toyoshima, Atsushi; Ishii, Yasuo; Li, Z.; Kikuchi, Takahiro; Sato, Tetsuya ; Nishinaka, Ichiro; Nagame, Yuichiro ; Goto, Shinichi*; Hasegawa, Taichi*; Kudo, Hisaaki*; Fujisawa, Hiroyuki*; Oe, Kazuhiro*; Yahagi, Wataru*; Sato, Wataru*; Shinohara, Atsushi*; Nanri, Tomohiro*; Araki, Mikio*; Yokoyama, Akihiko*; Fan, F.*; Kudo, Yuki*; Oura, Yasuji*

Anion-exchange chromatographic behavior of element 105, dubnium (Db), produced in the $^{248}$ Cm( $^{19}$ F,5n) $^{262}$ Db reaction is investigated together with the homologues Nb and Ta in HF/HNO mixed media using a newly developed on-line experimental system. The result indicates that the adsorption sequence on the anion-exchange resin is TaNbDb, and the fluoride complex formation of Db is expected to be weaker than that of homologues.

Language	:	Japanese
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Meeting title	:	日本化学会第89春季年会(2009)
Held date	:	2009/03
Location (city)	:	船橋
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	タンデム加速器
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Cooperating Institute	:	新潟大学

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Registration No. : BB20083530
JAEA Abstracts No. :
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