-HiB complexation of Zr and Hf as homologues of Rf

Kikuchi, Takahiro; Toyoshima, Atsushi; Li, Z.; Tsukada, Kazuaki ; Asai, Masato ; Sato, Tetsuya ; Sato, Nozomi; Nagame, Yuichiro ; Kasamatsu, Yoshitaka*; Fan, F.*

The ion-exchange behavior of Zr and Hf in -HiB / HNO $_{3}$ mixed solutions has been studied by a batch method using the carrier-free radiotracers $^{88}$ Zr and $^{175}$ Hf. It is found that the -HiB complex formation of Zr and Hf reaches equilibrium in 180 min and that the ion-exchange behavior of these elements are basically similar to each other. The distribution coefficients of Zr and Hf on the cation-exchange resin at [H $^{+}$ ] $_{eq}$ = 0.1 M decrease with an increase of [-HiB $^{-}$ ] $_{eq}$ , reflecting successive formation of -HiB complexes.

Language	:	Japanese
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Meeting title	:	2009日本放射化学会年会・第53回放射化学討論会
Held date	:	2009/09
Location (city)	:	東京
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	第4研究棟
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Registration No. : BB20091631
JAEA Abstracts No. :
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