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Report No.

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

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

In the present study, extraction behavior of Mo and W was studied in the sulfuric acid - Aliquat336 system as model experiments for the sulfuric complexation of Sg. In the RIKEN AVF cyclotron, batch-wise extraction experiments were performed with $$^{93m}$$Mo with a 6.8 h half-life. Similar batch experiments were carried out also with $$^{181}$$W produced in the JAEA tandem accelerator followed by chemical separation from a target material. As a result, both Mo and W form anionic sulfuric complexes at more than approximately 5 M H$$_{2}$$SO$$_{4}$$, which are extracted into the organic phase as R$$_{2}$$MO$$_{2}$$(SO$$_{4}$$)$$_{2}$$ (R = Aliquat336, M = Mo, W). It is expected that sulfuric complexation of Sg would be clarified under the present conditions.



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