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Application of Voltammetry for Electroanalytical Measurement of Concentrations in LaCl3-MgCl2 Mixtures in Eutectic LiCl-KCl
Wang, Z.1,2,3; Rappleye, D.1; Yang, C. S.1,4; Simpson, M. F.1
2016
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Volume163Issue:10Pages:H921-H926
Abstract

For electroanalytical measurement of molten chloride salts, various voltammetry methods have been used on mixtures of MgCl2 and LaCl3 in eutectic LiCl-KCl. These salt mixtures are of primary interest to spent nuclear fuel electrorefining systems. MgCl2 is used as a surrogate for PuCl3, while LaCl3 represents rare earth fission product salts. Cyclic voltammetry scans with these salt mixtures exhibited extra peaks, presumably due to underpotential deposition of La(III) ions onto Mg. Quantitatively, the current contribution from each peak was best-determined using normal pulse voltammetry and fit to the Cottrell equation. This yielded linear correlations for concentration versus diffusional current with very high correlation factors. Applying this method, it was determined that concentration measurement error was less than 4% for both MgCl2 and LaCl3. (C) 2016 The Electrochemical Society. All rights reserved.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1149/2.0351610jes
Indexed BySCI
Language英语
WOS KeywordLACL3 ; MELT ; SALT
WOS Research AreaElectrochemistry ; Materials Science
WOS SubjectElectrochemistry ; Materials Science, Coatings & Films
Funding OrganizationDepartment of Energy's Nuclear Energy University program ; China Scholarship Council (CSC)(201404910406)
WOS IDWOS:000389150900132
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21843
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Univ Utah, Dept Met Engn, Salt Lake City, UT 84112 USA
2.Chinese Acad Sci, Natl Engn Lab Hydromet Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Jiangxi Univ Sci & Technol, Sch Met & Chem Engn, Ganzhou 341000, Jiangxi, Peoples R China
Recommended Citation
GB/T 7714
Wang, Z.,Rappleye, D.,Yang, C. S.,et al. Application of Voltammetry for Electroanalytical Measurement of Concentrations in LaCl3-MgCl2 Mixtures in Eutectic LiCl-KCl[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2016,163(10):H921-H926.
APA Wang, Z.,Rappleye, D.,Yang, C. S.,&Simpson, M. F..(2016).Application of Voltammetry for Electroanalytical Measurement of Concentrations in LaCl3-MgCl2 Mixtures in Eutectic LiCl-KCl.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,163(10),H921-H926.
MLA Wang, Z.,et al."Application of Voltammetry for Electroanalytical Measurement of Concentrations in LaCl3-MgCl2 Mixtures in Eutectic LiCl-KCl".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 163.10(2016):H921-H926.
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