Electrochemical reduction of mendelevium in HCl solution

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

Electrochemical study of mendelevium (Md) with flow electrolytic column chromatography is presented. The $^{255}$ Md isotope was produced in the $^{248}$ Cm( $^{11}$ B, 4) reaction at the JAEA tandem accelerator. In applying a negative voltage on the column electrode, Md was eluted with 0.1 M HCl. This behavior is quite similar to that of Sr $^{2+}$ and Eu $^{2+}$ , clearly indicating that most stable Md $^{3+}$ is reduced to Md $^{2}+$ . We determined the redox potential of Md to be approximately -0.18 V versus a standard hydrogen electrode.

Language	:	English
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Meeting title	:	4th International Conference on the Chemistry and Physics of the Transactinide Elements (TAN '11)
Held date	:	2011/09
Location (city)	:	Sochi
Location (country)	:	Russia
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Cooperating Institute	:	理化学研究所; 大阪大学

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Registration No. : BB20111153
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