Electrolytic reduction of mendelevium using a flow electrolytic column

Toyoshima, Atsushi; Li, Z.*; Asai, Masato ; Sato, Tetsuya ; Kikuchi, Takahiro*; Kaneya, Yusuke*; Kitatsuji, Yoshihiro ; Tsukada, Kazuaki ; Nagame, Yuichiro ; Schdel, M.; Oe, Kazuhiro*; Kasamatsu, Yoshitaka*; Kogama, Yuka*; Shinohara, Atsushi*; Haba, Hiromitsu*; Even, J.*

The redox behavior of mendelevium (Md) was studied with flow electrolytic chromatography. The $^{255}$ Md isotope produced in the $^{248}$ Cm( $^{11}$ B, 4n) $^{255}$ Md reaction at the JAEA tandem accelerator was used in the electrolytic reduction experiment with the flow electrolytic column apparatus in 0.1 M HCl. It was clearly observed that, applying appropriate potentials on the chromatography column, the most stable Md $^{3+}$ is reduced to Md $^{2+}$ . The redox potential of the Md $^{2+}$ = Md $^{3+}$ + e $^{-}$ couple was determined to be -0.16 0.05 V vs. a normal hydrogen electrode.

Language	:	English
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Meeting title	:	8th Workshop on the Chemistry of the Heaviest Elements (CHE-8)
Held date	:	2013/09
Location (city)	:	Takayama
Location (country)	:	Japan
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Cooperating Institute	:	大阪大学; 理化学研究所

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Registration No. : BB20131207
JAEA Abstracts No. :
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