Anion-exchange Behavior of Nb, Ta, and Pa as Homologues of Db in HF/HNO_3 Solutions

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著者

    • KASAMATSU Y.
    • Advanced Science Research Center, Japan Atomic Energy Agency
    • TOYOSHIMA A.
    • Advanced Science Research Center, Japan Atomic Energy Agency
    • TOUME H.
    • Advanced Science Research Center, Japan Atomic Energy Agency
    • TSUKADA K.
    • Advanced Science Research Center, Japan Atomic Energy Agency
    • HABA H.
    • Nishina Center for Accelerator Based Science, RIKEN
    • NAGAME Y.
    • Advanced Science Research Center, Japan Atomic Energy Agency

抄録

To find suitable conditions for the experimental study of anion-exchange behavior of element 105, dubnium (Db), we have investigated anion-exchange behavior of the group-5 elements Nb, Ta, and their pseudo homologue Pa in HF/HNO<SUB>3</SUB> media by a batch method using radiotracers of <SUP>95</SUP>Nb, <SUP>179</SUP>Ta, and <SUP>233</SUP>Pa. Clearly different adsorption behavior was observed among those homologues in the fluoride ion concentrations of 1 × 10<SUP>-6</SUP> M < [F<SUP>-</SUP>] < 2 × 10<SUP>-2</SUP> M, suggesting that each element forms different anionic complexes. Based on the observed distribution coefficients of these elements, we propose appropriate experimental conditions to investigate fluoride complexation of Db.

収録刊行物

  • Journal of Nuclear and Radiochemical Sciences  

    Journal of Nuclear and Radiochemical Sciences 8(2), 69-72, 2007-12-01 

    The Japan Society of Nuclear and Radiochemical Sciences

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各種コード

  • NII論文ID(NAID)
    10021101882
  • NII書誌ID(NCID)
    AA11948402
  • 本文言語コード
    ENG
  • 資料種別
    REV
  • ISSN
    13454749
  • データ提供元
    CJP書誌  J-STAGE 
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