Extraction behavior of Mo and W from H $_{2}$ SO $_{4}$ into toluene with Aliquat336 as model experiments for seaborgium (Sg)

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

We report on the extraction behavior of carrier-free radioisotopes $^{93m}$ Mo and $^{181}$ W, which are lighter homologs of Sg, produced at the RIKEN K70 AVF cyclotron, in the H $_{2}$ SO $_{4}$ -Aliquat336 system. Results of the extraction experiments showed that the distribution ratios, , of Mo and W decrease up to 3 M as increasing [H $_{2}$ SO $_{4}$ ]. This is probably due to protonation reactions of hydrolyzed Mo and W species. In 3 M H $_{2}$ SO $_{4}$ , the values of W and Mo showed sharp increases. Based on the slope analysis separately carried out, it was suggested that hydrolyzed species of [HMO $_{4}$ ] $^{-}$ (M = Mo and W) are extracted in less than 3 M [H $_{2}$ SO $_{4}$ ], while anionic sulphate complexes of [MO $_{2}$ (SO $_{4}$ ) $_{2}$ ] $^{2-}$ are formed in more than [H $_{2}$ SO $_{4}$ ]5 M.

Language	:	English
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Meeting title	:	5th International Conference on the Chemistry and Physics of the Transactinide Elements (TAN '15)
Held date	:	2015/05
Location (city)	:	Urabandai
Location (country)	:	Japan
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Keywords	:	no keyword
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Cooperating Institute	:	新潟大学; 理化学研究所

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Registration No. : BB20150299
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Extraction behavior of Mo and W from HSO into toluene with Aliquat336 as model experiments for seaborgium (Sg)

Extraction behavior of Mo and W from H $_{2}$ SO $_{4}$ into toluene with Aliquat336 as model experiments for seaborgium (Sg)