Electrodeposition of actinide; Reduction and deposition of Np

Kitatsuji, Yoshihiro ; Ouchi, Kazuki ; Otobe, Haruyoshi ; Kihara, Sorin*

Electrolytic reduction of neptunium ion in the weak acidic solution was investigated. On the cyclic voltammogram of Np(V) in the solution of pH 3.8, reduction and deposition of Np was observed. Stripping current due to oxidation of deposited Np was also appeared. Stripping voltammetry after preelectrolysis at definite potential was carried out. Stripping currents were almost constant despite variation of preelectrolysis time and concentration of Np(V). Difference of reduction-deposition behavior between U and Np was discussed.

Language	:	Japanese
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Meeting title	:	第61回ポーラログラフィーおよび電気分析化学討論会
Held date	:	2015/11
Location (city)	:	姫路
Location (country)	:	日本
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Keywords	:	ネプツニウム; 電解還元; 電解析出
Research Facility	:	プルトニウム研究1棟;第4研究棟
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Registration No. : BB20151797
JAEA Abstracts No. :
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