Adsorption of Db and its homologues Nb and Ta, and the pseudo-homologue Pa on anion-exchange resin in HF solution

K. Tsukada, H. Haba, M. Asai, A. Toyoshima, K. Akiyama, Y. Kasamatsu, I. Nishinaka, S. Ichikawa, K. Yasuda, Y. Miyamoto, K. Hashimoto, Y. Nagame, S. Goto, H. Kudo, W. Sato, A. Shinohara, Y. Oura, K. Sueki, H. Kikunaga, N. KinoshitaA. Yokoyama, M. Schädel, W. Brüchle, J. V. Kratz

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21 Citations (Scopus)

Abstract

Anion-exchange chromatography of element 105, dubnium (Db), produced in the 248Cm(19F, 5n)262Db reaction is investigated together with the homologues Nb and Ta, and the pseudo-homologue Pa in 13.9 M hydrofluoric acid (HF) solution. The distribution coefficient (Kd) of Db on an anion-exchange resin is successfully determined by running cycles of 1702 chromatographic column separations. The result clearly indicates that the adsorption of Db on the resin is significantly different from that of the homologues and that the adsorption of anionic fluoro complexes of these elements decreases in the sequence of Ta ≈ Nb > Db ≥ Pa.

Original languageEnglish
Pages (from-to)83-89
Number of pages7
JournalRadiochimica Acta
Volume97
Issue number2
DOIs
Publication statusPublished - 2009 May 5
Externally publishedYes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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    Tsukada, K., Haba, H., Asai, M., Toyoshima, A., Akiyama, K., Kasamatsu, Y., Nishinaka, I., Ichikawa, S., Yasuda, K., Miyamoto, Y., Hashimoto, K., Nagame, Y., Goto, S., Kudo, H., Sato, W., Shinohara, A., Oura, Y., Sueki, K., Kikunaga, H., ... Kratz, J. V. (2009). Adsorption of Db and its homologues Nb and Ta, and the pseudo-homologue Pa on anion-exchange resin in HF solution. Radiochimica Acta, 97(2), 83-89. https://doi.org/10.1524/ract.2009.1577