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Report No.

Development of a new continuous dissolution apparatus using a hydrophobic membrane filter for superheavy element chemistry

Oe, Kazuhiro; Tsukada, Kazuaki ; Asai, Masato ; Sato, Tetsuya  ; Toyoshima, Atsushi; Miyashita, Sunao; Nagame, Yuichiro; Sch$"a$del, M.; Kaneya, Yusuke*; Lerum, H. V.*; Omtvedt, J. P.*; Kratz, J. V.; Haba, Hiromitsu*; Wada, Ayaka*; Kitayama, Yuta*

We are planning to investigate the redox behavior of element 106, seaborgium (Sg). For the Sg study, we newly developed a continuous dissolution apparatus which dissolves the gas-jet transported nuclides produced in nuclear reactions into aqueous solution. The new apparatus has a hydrophobic membrane filter for separation of aqueous solution from the gas. We investigated the dissolution efficiencies with the apparatus for short-lived nuclides of molybdenum and tungsten which are lighter homologues of Sg. In the meeting, the dependence of the efficiencies on the aqueous- and gas-flow rates will be reported.



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