Extraction behavior of Mo and W from H $_{2}$ SO $_{4}$ and HF/HCl solutions into toluene with Aliquat336; Sulfate and fluoride complex formation of Mo and W towards chemical studies of seaborgium (Sg)

Toyoshima, Atsushi; Mitsukai, Akina; Tsukada, Kazuaki ; Oe, Kazuhiro*; Haba, Hiromitsu*; Komori, Yukiko*; Murakami, Masashi ; Kaneya, Yusuke*; Sato, Daisuke*; Asai, Masato ; Sato, Tetsuya ; Nagame, Yuichiro

We have studied extraction behavior of group-6 elements Mo and W to search for suitable conditions for an on-line extraction experiment of their heavier homolog, seaborgium (Sg). Batch-wise extraction of carrier-free radiotracers $^{93m}$ Mo and $^{177,179,181}$ W were carried out from 0.10 - 8.6 M H $_{2}$ SO $_{4}$ and 1.010 $^{-4}$ - 5.0 M HF/1.0 M HCl into toluene with a quaternary ammonium compound, Aliquat336. Anionic sulfate complexes of Mo and W with charge - 2 were extracted with Aliquat336 from H $_{2}$ SO $_{4}$ solutions with concentrations of [H $_{2}$ SO $_{4}$ ] 2 M. In HF/1.0 M HCl, oxyfluoro complexes of Mo and W with charge - 1 were interpreted to be formed and extracted with Aliquat336. From these results, favorable conditions for the extraction of Sg are discussed.

Language	:	English
Journal	:	Journal of Radioanalytical and Nuclear Chemistry
Volume	:	317
Number	:	1
Pages	:	p.421 - 430
Publication Year/Month	:	2018/07
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Paper URL	:	https://doi.org/10.1007/s10967-018-5882-5
DOI for research data	:
Keywords	:	シーボーギウム; 溶媒抽出
Research Facility	:	第4研究棟
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Article of JAEA R&D Review	:
Cooperating Institute	:	理化学研究所

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Registration No. : AA20180204
JAEA Abstracts No. :
Paper Submission No. : 26944

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Extraction behavior of Mo and W from HSO and HF/HCl solutions into toluene with Aliquat336; Sulfate and fluoride complex formation of Mo and W towards chemical studies of seaborgium (Sg)

Extraction behavior of Mo and W from H $_{2}$ SO $_{4}$ and HF/HCl solutions into toluene with Aliquat336; Sulfate and fluoride complex formation of Mo and W towards chemical studies of seaborgium (Sg)