首页|Multiple factors influencing high-purity indium electrolytic refining

Multiple factors influencing high-purity indium electrolytic refining

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The effects of various contaminants in the electrolytic refinement of indium were investigated using a glow discharge mass spectrometer (GDMS). The effects of several factors such as the indium ion (In3+) concentration,the sodium chloride (NaCl) concentration,the current density,the gelatin concentration,the pH,and the electrode distance,were examined. Significant variations in impurity levels concerning gelatin concentration were observed. Both the gelatin and In3+concentration were moderately positively correlated with the Pb content. The Sb concentration was associated positively with the NaCl concen-tration,while the Ti concentration had an adverse correlation with the NaCl concentration. The Bi element content was positively linked to the electrode distance. As the current density increased,Cu,Pb,and Bi impurities initially rose and then eventually declined. Notably,a critical current density of 45 A·m-2 was identified in this behavior.

High-purity indiumElectrolysisMultiple factorsElectrochemistryPurification

Hong-Qiang Fan、Fei Li、Hong-Xing Zheng、Wu-ji Pan、Mei-Zhen Wu、Yashar Behnamian、Ju-Bo Peng、Dong-Hai Lin

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State Key Laboratory of Advanced Special Steel&School of Materials Science and Engineering,Shanghai University,Shanghai 200444,China

Shanghai Engineering Research Center for Integrated Circuits and Advanced Display Materials,Shanghai University,Shanghai 200444,China

Research&Development Center,Yunnan Tin Group (Holding) Limited Company,Kunming 650032,China

Department of Chemical and Materials Engineering,University of Alberta,Edmonton T6G 2V4,Alberta,Canada

School of Energy and Materials,Shanghai Key Laboratory of Engineering Materials Application and Evaluation,Shanghai Polytechnic University,Shanghai 201209,China

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National Natural Science Foundation of ChinaScience and Technology Major Project of Yunnan ProvinceIndependent Research Project of State Key Laboratory of Advanced Special Steel,Shanghai Key Laboratory of Advanced FerrometaScience and Technology Commission of Shanghai MunicipalityProgram for Professor of Special Appointment(Eastern Scholar)at SIHL,Shanghai Sailing Program

52074180202302AB080020SKLASS 2023-Z0719DZ227020019YF1416500

2024

中国化学工程学报(英文版)
中国化工学会

中国化学工程学报(英文版)

CSTPCDEI
影响因子:0.818
ISSN:1004-9541
年,卷(期):2024.71(7)