Hexafluoro complex of rutherfordium in mixed HF/HNO3 solutions

A. Toyoshima; H. Haba; K. Tsukada; M. Asai; K. Akiyama; S. Goto; Y. Ishii; I. Nishinaka; T. K. Sato; Y. Nagame; W. Sato; Y. Tani; H. Hasegawa; K. Matsuo; D. Saika; Y. Kitamoto; A. Shinohara; M. Ito; J. Saito; H. Kudo; A. Yokoyama; M. Sakama; K. Sueki; Y. Oura; H. Nakahara; M. Schädel; W. Brüchle; J. V. Kratz

doi:10.1524/ract.2008.1474

Hexafluoro complex of rutherfordium in mixed HF/HNO₃ solutions

A. Toyoshima, H. Haba, K. Tsukada, M. Asai, K. Akiyama, S. Goto, Y. Ishii, I. Nishinaka, T. K. Sato, Y. Nagame, W. Sato, Y. Tani, H. Hasegawa, K. Matsuo, D. Saika, Y. Kitamoto, A. Shinohara, M. Ito, J. Saito, H. KudoA. Yokoyama, M. Sakama, K. Sueki, Y. Oura, H. Nakahara, M. Schädel, W. Brüchle, J. V. Kratz

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Abstract

Formation of anionic fluoride-complexes of element 104, rutherfordium, produced in the ²⁴⁸Cm(¹⁸O, 5n)²⁶¹Rf reaction was studied by anion-exchange on an atom-at-a-time scale. It was found that the hexafluoro complex of Rf, [RfF₆]^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, [ZrF₆]^2- and [HfF₆] ^2-; the evaluated formation constant of [RfF₆] ^2- is at least one-order of magnitude smaller than those of [ZrF ₆]^2- and [HfF₆]^2-.

Original language	English
Pages (from-to)	125-134
Number of pages	10
Journal	Radiochimica Acta
Volume	96
Issue number	3
DOIs	https://doi.org/10.1524/ract.2008.1474
Publication status	Published - 2008
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry

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10.1524/ract.2008.1474

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Toyoshima, A., Haba, H., Tsukada, K., Asai, M., Akiyama, K., Goto, S., Ishii, Y., Nishinaka, I., Sato, T. K., Nagame, Y., Sato, W., Tani, Y., Hasegawa, H., Matsuo, K., Saika, D., Kitamoto, Y., Shinohara, A., Ito, M., Saito, J., ... Kratz, J. V. (2008). Hexafluoro complex of rutherfordium in mixed HF/HNO₃ solutions. Radiochimica Acta, 96(3), 125-134. https://doi.org/10.1524/ract.2008.1474

Toyoshima, A, Haba, H, Tsukada, K, Asai, M, Akiyama, K, Goto, S, Ishii, Y, Nishinaka, I, Sato, TK, Nagame, Y, Sato, W, Tani, Y, Hasegawa, H, Matsuo, K, Saika, D, Kitamoto, Y, Shinohara, A, Ito, M, Saito, J, Kudo, H, Yokoyama, A, Sakama, M, Sueki, K, Oura, Y, Nakahara, H, Schädel, M, Brüchle, W & Kratz, JV 2008, 'Hexafluoro complex of rutherfordium in mixed HF/HNO₃ solutions', Radiochimica Acta, vol. 96, no. 3, pp. 125-134. https://doi.org/10.1524/ract.2008.1474

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title = "Hexafluoro complex of rutherfordium in mixed HF/HNO3 solutions",

abstract = "Formation of anionic fluoride-complexes of element 104, rutherfordium, produced in the 248Cm(18O, 5n)261Rf reaction was studied by anion-exchange on an atom-at-a-time scale. It was found that the hexafluoro complex of Rf, [RfF6]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, [ZrF6]2- and [HfF6] 2-; the evaluated formation constant of [RfF6] 2- is at least one-order of magnitude smaller than those of [ZrF 6]2- and [HfF6]2-.",

author = "A. Toyoshima and H. Haba and K. Tsukada and M. Asai and K. Akiyama and S. Goto and Y. Ishii and I. Nishinaka and Sato, {T. K.} and Y. Nagame and W. Sato and Y. Tani and H. Hasegawa and K. Matsuo and D. Saika and Y. Kitamoto and A. Shinohara and M. Ito and J. Saito and H. Kudo and A. Yokoyama and M. Sakama and K. Sueki and Y. Oura and H. Nakahara and M. Sch{\"a}del and W. Br{\"u}chle and Kratz, {J. V.}",

note = "Funding Information: Acknowledgment. The authors express their gratitude to the crew of the JAEA tandem accelerator for their invaluable assistance in the course of these experiments. This work was supported in part by the JAEA-University Collaboration Research Project and the Program on the Scientific Cooperation between JAEA and GSI in Research and Development in the Field of Ion Beam Application.",

year = "2008",

doi = "10.1524/ract.2008.1474",

language = "English",

volume = "96",

pages = "125--134",

journal = "Radiochimica Acta",

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T1 - Hexafluoro complex of rutherfordium in mixed HF/HNO3 solutions

AU - Toyoshima, A.

AU - Haba, H.

AU - Tsukada, K.

AU - Asai, M.

AU - Akiyama, K.

AU - Goto, S.

AU - Ishii, Y.

AU - Nishinaka, I.

AU - Sato, T. K.

AU - Nagame, Y.

AU - Sato, W.

AU - Tani, Y.

AU - Hasegawa, H.

AU - Matsuo, K.

AU - Saika, D.

AU - Kitamoto, Y.

AU - Shinohara, A.

AU - Ito, M.

AU - Saito, J.

AU - Kudo, H.

AU - Yokoyama, A.

AU - Sakama, M.

AU - Sueki, K.

AU - Oura, Y.

AU - Nakahara, H.

AU - Schädel, M.

AU - Brüchle, W.

AU - Kratz, J. V.

N1 - Funding Information: Acknowledgment. The authors express their gratitude to the crew of the JAEA tandem accelerator for their invaluable assistance in the course of these experiments. This work was supported in part by the JAEA-University Collaboration Research Project and the Program on the Scientific Cooperation between JAEA and GSI in Research and Development in the Field of Ion Beam Application.

PY - 2008

Y1 - 2008

N2 - Formation of anionic fluoride-complexes of element 104, rutherfordium, produced in the 248Cm(18O, 5n)261Rf reaction was studied by anion-exchange on an atom-at-a-time scale. It was found that the hexafluoro complex of Rf, [RfF6]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, [ZrF6]2- and [HfF6] 2-; the evaluated formation constant of [RfF6] 2- is at least one-order of magnitude smaller than those of [ZrF 6]2- and [HfF6]2-.

AB - Formation of anionic fluoride-complexes of element 104, rutherfordium, produced in the 248Cm(18O, 5n)261Rf reaction was studied by anion-exchange on an atom-at-a-time scale. It was found that the hexafluoro complex of Rf, [RfF6]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, [ZrF6]2- and [HfF6] 2-; the evaluated formation constant of [RfF6] 2- is at least one-order of magnitude smaller than those of [ZrF 6]2- and [HfF6]2-.

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JO - Radiochimica Acta

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Hexafluoro complex of rutherfordium in mixed HF/HNO₃ solutions

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