Hexafluoro complex of rutherfordium in mixed HF/HNO $_{3}$ solutions

Toyoshima, Atsushi; Haba, Hiromitsu*; Tsukada, Kazuaki ; Asai, Masato ; Akiyama, Kazuhiko*; Goto, Shinichi*; Ishii, Yasuo; Nishinaka, Ichiro; Sato, Tetsuya ; Nagame, Yuichiro ; Sato, Wataru*; Tani, Yuki*; Hasegawa, Hiroko*; Matsuo, Keiji*; Saika, Daisuke*; Kitamoto, Yusuke*; Shinohara, Atsushi*; Ito, Maya*; Saito, Junko*; Kudo, Hisaaki*; Yokoyama, Akihiko*; Sakama, Minoru*; Sueki, Keisuke*; Oura, Yasuji*; Nakahara, Hiromichi*; Schdel, M.*; Brchle, W.*; Kratz, J. V.*

Formation of an anionic fluoride-complex of element 104, rutherfordium (Rf) produced in the $^{248}$ Cm( $^{18}$ O,5n) $^{261}$ Rf reaction was studied by an anion-exchange method based on an atom-at-a-time scale. It was found that the hexafluoro complex of Rf, [RfF $_{6}$ ] $^{2-}$ , was formed in the studied fluoride ion concentrations of 0.0005 - 0.013 M. Formation of [RfF $_{6}$ ] $^{2-}$ was significantly different from that of the homologues Zr and Hf, [ZrF $_{6}$ ] $^{2-}$ and [HfF $_{6}$ ] $^{2-}$ ; the evaluated formation constant of [RfF $_{6}$ ] $^{2-}$ is at least one-order of magnitude smaller than those of [ZrF $_{6}$ ] $^{2-}$ and [HfF $_{6}$ ] $^{2-}$ .

Language	:	English
Journal	:	Radiochimica Acta
Volume	:	96
Number	:	3
Pages	:	p.125 - 134
Publication Year/Month	:	2008/03
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Paper URL	:	https://doi.org/10.1524/ract.2008.1474 Read or search this article
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Keywords	:	no keyword
Research Facility	:	タンデム加速器
Press Release	:
Article of JAEA R&D Review	:	Chemical Characterization of Superheavy Elements; Fluoride Complexation of Element 104, Rutherfordium[/]
Cooperating Institute	:	新潟大学; 大阪大学; 理化学研究所

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InCites™	:	Percentile:86.01 Category:Chemistry, Inorganic & Nuclear
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Registration No. : AA20070323
JAEA Abstracts No. : 36001466
Paper Submission No. : 4757

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Hexafluoro complex of rutherfordium in mixed HF/HNO solutions

Hexafluoro complex of rutherfordium in mixed HF/HNO $_{3}$ solutions