Sulfate complexation of element 104, Rf, in H 2SO 4/HNO 3 mixed solution

Z. J. Li; A. Toyoshima; M. Asai; K. Tsukada; T. K. Sato; N. Sato; T. Kikuchi; Y. Nagame; M. Schädel; V. Pershina; X. H. Liang; Y. Kasamatsu; Y. Komori; K. Ooe; A. Shinohara; S. Goto; H. Murayama; M. Murakami; H. Kudo; H. Haba; Y. Takeda; M. Nishikawa; A. Yokoyama; S. Ikarashi; K. Sueki; K. Akiyama; J. V. Kratz

doi:10.1524/ract.2012.1898

Sulfate complexation of element 104, Rf, in H ₂SO ₄/HNO ₃ mixed solution

Z. J. Li, A. Toyoshima, M. Asai, K. Tsukada, T. K. Sato, N. Sato, T. Kikuchi, Y. Nagame, M. Schädel, V. Pershina, X. H. Liang, Y. Kasamatsu, Y. Komori, K. Ooe, A. Shinohara, S. Goto, H. Murayama, M. Murakami, H. Kudo, H. HabaY. Takeda, M. Nishikawa, A. Yokoyama, S. Ikarashi, K. Sueki, K. Akiyama, J. V. Kratz

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Abstract

The cation-exchange behavior of ²⁶¹Rf (T _1/2 = 78 s) produced in the ²⁴⁸Cm( ¹⁸O, 5n) reaction was studied on a "one-atom-at-a-time" scale in 0.15-0.69M H ₂SO ₄/HNO ₃ mixed solutions ([H ⁺] = 1.0M) using an automated ion-exchange separation apparatus coupled with the detection system for alpha-spectroscopy (AIDA). It was found that adsorption probabilities (%ads) of ²⁶¹Rf on cationexchange resin decrease with an increase of [HSO ₄ ^-], showing a successive formation of Rf sulfate complexes. Rf exhibits a weaker complex formation tendency compared to the lighter homologues Zr and Hf. This is in good agreement with theoretical predictions including relativistic effects.

Original language	English
Pages (from-to)	157-164
Number of pages	8
Journal	Radiochimica Acta
Volume	100
Issue number	3
DOIs	https://doi.org/10.1524/ract.2012.1898
Publication status	Published - Mar 2012
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry

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10.1524/ract.2012.1898

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Li, Z. J., Toyoshima, A., Asai, M., Tsukada, K., Sato, T. K., Sato, N., Kikuchi, T., Nagame, Y., Schädel, M., Pershina, V., Liang, X. H., Kasamatsu, Y., Komori, Y., Ooe, K., Shinohara, A., Goto, S., Murayama, H., Murakami, M., Kudo, H., ... Kratz, J. V. (2012). Sulfate complexation of element 104, Rf, in H ₂SO ₄/HNO ₃ mixed solution. Radiochimica Acta, 100(3), 157-164. https://doi.org/10.1524/ract.2012.1898

Li, ZJ, Toyoshima, A, Asai, M, Tsukada, K, Sato, TK, Sato, N, Kikuchi, T, Nagame, Y, Schädel, M, Pershina, V, Liang, XH, Kasamatsu, Y, Komori, Y, Ooe, K, Shinohara, A, Goto, S, Murayama, H, Murakami, M, Kudo, H, Haba, H, Takeda, Y, Nishikawa, M, Yokoyama, A, Ikarashi, S, Sueki, K, Akiyama, K & Kratz, JV 2012, 'Sulfate complexation of element 104, Rf, in H ₂SO ₄/HNO ₃ mixed solution', Radiochimica Acta, vol. 100, no. 3, pp. 157-164. https://doi.org/10.1524/ract.2012.1898

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title = "Sulfate complexation of element 104, Rf, in H 2SO 4/HNO 3 mixed solution",

abstract = "The cation-exchange behavior of 261Rf (T 1/2 = 78 s) produced in the 248Cm( 18O, 5n) reaction was studied on a {"}one-atom-at-a-time{"} scale in 0.15-0.69M H 2SO 4/HNO 3 mixed solutions ([H +] = 1.0M) using an automated ion-exchange separation apparatus coupled with the detection system for alpha-spectroscopy (AIDA). It was found that adsorption probabilities (%ads) of 261Rf on cationexchange resin decrease with an increase of [HSO 4 -], showing a successive formation of Rf sulfate complexes. Rf exhibits a weaker complex formation tendency compared to the lighter homologues Zr and Hf. This is in good agreement with theoretical predictions including relativistic effects.",

author = "Li, {Z. J.} and A. Toyoshima and M. Asai and K. Tsukada and Sato, {T. K.} and N. Sato and T. Kikuchi and Y. Nagame and M. Sch{\"a}del and V. Pershina and Liang, {X. H.} and Y. Kasamatsu and Y. Komori and K. Ooe and A. Shinohara and S. Goto and H. Murayama and M. Murakami and H. Kudo and H. Haba and Y. Takeda and M. Nishikawa and A. Yokoyama and S. Ikarashi and K. Sueki and K. Akiyama and Kratz, {J. V.}",

year = "2012",

month = mar,

doi = "10.1524/ract.2012.1898",

language = "English",

volume = "100",

pages = "157--164",

journal = "Radiochimica Acta",

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TY - JOUR

T1 - Sulfate complexation of element 104, Rf, in H 2SO 4/HNO 3 mixed solution

AU - Li, Z. J.

AU - Toyoshima, A.

AU - Asai, M.

AU - Tsukada, K.

AU - Sato, T. K.

AU - Sato, N.

AU - Kikuchi, T.

AU - Nagame, Y.

AU - Schädel, M.

AU - Pershina, V.

AU - Liang, X. H.

AU - Kasamatsu, Y.

AU - Komori, Y.

AU - Ooe, K.

AU - Shinohara, A.

AU - Goto, S.

AU - Murayama, H.

AU - Murakami, M.

AU - Kudo, H.

AU - Haba, H.

AU - Takeda, Y.

AU - Nishikawa, M.

AU - Yokoyama, A.

AU - Ikarashi, S.

AU - Sueki, K.

AU - Akiyama, K.

AU - Kratz, J. V.

PY - 2012/3

Y1 - 2012/3

N2 - The cation-exchange behavior of 261Rf (T 1/2 = 78 s) produced in the 248Cm( 18O, 5n) reaction was studied on a "one-atom-at-a-time" scale in 0.15-0.69M H 2SO 4/HNO 3 mixed solutions ([H +] = 1.0M) using an automated ion-exchange separation apparatus coupled with the detection system for alpha-spectroscopy (AIDA). It was found that adsorption probabilities (%ads) of 261Rf on cationexchange resin decrease with an increase of [HSO 4 -], showing a successive formation of Rf sulfate complexes. Rf exhibits a weaker complex formation tendency compared to the lighter homologues Zr and Hf. This is in good agreement with theoretical predictions including relativistic effects.

AB - The cation-exchange behavior of 261Rf (T 1/2 = 78 s) produced in the 248Cm( 18O, 5n) reaction was studied on a "one-atom-at-a-time" scale in 0.15-0.69M H 2SO 4/HNO 3 mixed solutions ([H +] = 1.0M) using an automated ion-exchange separation apparatus coupled with the detection system for alpha-spectroscopy (AIDA). It was found that adsorption probabilities (%ads) of 261Rf on cationexchange resin decrease with an increase of [HSO 4 -], showing a successive formation of Rf sulfate complexes. Rf exhibits a weaker complex formation tendency compared to the lighter homologues Zr and Hf. This is in good agreement with theoretical predictions including relativistic effects.

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Sulfate complexation of element 104, Rf, in H ₂SO ₄/HNO ₃ mixed solution

Abstract

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