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The influence of calcium fluoride on the electrochemical dissolution of chalcopyrite in sulfuric acid solution
Qingyou Liu; Luying Wang; Kai Zheng; Heping Li
2015
发表期刊Ionics
卷号21期号:3页码:749-753
摘要
The influence of calcium fluoride on the electrochemical dissolution of chalcopyrite at pH 2 was investigated. Experimental results show, when CaF2 concentration from 0 increased to 10 mg/L, chalcopyrite corrosion current density from 0.316 mu A cm(-2) changed to 0.302 mu A cm(-2), the CaF2 inhibition efficiency is 4.43 % and up to 15.19 % when CaF2 is saturated; electrochemical impedance spectroscopy (EIS) reveals that it is the increase of the charge transfer resistance at the double layer lead to CaF2 restrain chalcopyrite corrosion; and the cause come from copper fluorinated complex formed and are absorbed on the electrode surface.
关键词Chalcopyrite Calcium Fluoride Polarization Curve Eis Electrochemical Dissolution
学科领域地球深部物质与流体作用地球化学
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/352002/5956
专题地球内部物质高温高压实验室_地球内部物质高温高压实验室_期刊论文
推荐引用方式
GB/T 7714
Qingyou Liu,Luying Wang,Kai Zheng,et al. The influence of calcium fluoride on the electrochemical dissolution of chalcopyrite in sulfuric acid solution[J]. Ionics,2015,21(3):749-753.
APA Qingyou Liu,Luying Wang,Kai Zheng,&Heping Li.(2015).The influence of calcium fluoride on the electrochemical dissolution of chalcopyrite in sulfuric acid solution.Ionics,21(3),749-753.
MLA Qingyou Liu,et al."The influence of calcium fluoride on the electrochemical dissolution of chalcopyrite in sulfuric acid solution".Ionics 21.3(2015):749-753.
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