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Electrochemical behavior of uranyl in ionic liquid 1-butyl-3-methylimidazolium chloride mixture with water
Tan XF(谭绪凤); Yuan LY(袁立永); Tan, XF; Yuan, LY; Nie, CM; Lui, K; Chai, ZF; Shi, WQ; Liu K(刘凯); Shi WQ(石伟群)
2014
Source PublicationJOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
ISSN0236-5731
EISSN1588-2780
Volume302Issue:1Pages:281-288
AbstractElectrochemical behaviors of U(VI) in 1-butyl-3-methylimidazolium chloride (C(4)MimCl) with various water contents investigated by chronopotentiometry and cyclic voltammetry. The electrochemical reduction of U(VI) was identified to follow two processes: a lower valence intermediate U(V) was initially formed at the potential of ca. -0.2 V(vs. Ag wire). Then, further deposition of UO2 was followed at around -0.8 V. Little amount of water (1-4 wt%) in C(4)MimCl, however, has an effect on the U(VI) reduction by changing the current density of the redox reaction and the diffusion coefficient of U(VI) in C(4)MimCl. The deposited product by potentiostatic electrolysis on the surface of stainless steel electrode was characterized by the scanning electron microscopy (SEM), energy dispersive X-ray (EDX) and X-ray diffraction (XRD) methods. Although the electrodeposited black film was amorphous, the electrochemical reduced product of U(VI) can be still confirmed to be UO2 by XRD after the crystallization of the amorphous deposits at 1,073 K in nitrogen atmosphere.
KeywordIonic liquid Cyclic voltammetry Electrochemical behavior Uranyl
Subject AreaChemistry; Nuclear Science & Technology
DOI10.1007/s10967-014-3195-x
Indexed BySCI
Language英语
WOS IDWOS:000342134800033
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/225162
Collection多学科研究中心
Recommended Citation
GB/T 7714
Tan XF,Yuan LY,Tan, XF,et al. Electrochemical behavior of uranyl in ionic liquid 1-butyl-3-methylimidazolium chloride mixture with water[J]. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,2014,302(1):281-288.
APA 谭绪凤.,袁立永.,Tan, XF.,Yuan, LY.,Nie, CM.,...&石伟群.(2014).Electrochemical behavior of uranyl in ionic liquid 1-butyl-3-methylimidazolium chloride mixture with water.JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,302(1),281-288.
MLA 谭绪凤,et al."Electrochemical behavior of uranyl in ionic liquid 1-butyl-3-methylimidazolium chloride mixture with water".JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 302.1(2014):281-288.
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