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| Study on Purification Method of High Purity Indium by Electrolytic Refining |
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Received:November 17, 2017
Revised:March 21, 2018
Accepted:December 06, 2017
Published Online:January 11, 2019
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| DOI： |
| KeyWord:high purity indium, electrolytic refining, purity, impurity content |
| Author | Institution |
| Lu Xingwei |
Yunnan Tin Group Holding Company Limited R&D Center |
| Peng Jubo |
Yunnan Tin Group Holding Company Limited RDdDdD Center |
| Wu Meizhen |
Yunnan Tin Group Holding Company Limited RDdDdD Center |
| Lei Yun |
Yunnan Tin Group Holding Company Limited RDdDdD Center |
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| Abstract: |
| In this paper, electrolytic relining purifyingprocess of indium were researched.In order to obtain the better indium electrolysis refining process parameters, L9 (3,4) orthogonal experiment was designed with indium ion concentration, NaCl concentration, electrolyte pH value and current density as experimental factors. The results showed that, the electrolytic refining effect of the sample was the best,when the indium ion concentration was 70 g / L, the NaCl concentration was 60 g / L, the electrolyte pH was 1.5 and the current density was 65 A / m2. The main content of indium reached more than 99.9998%, other impurities reached the standard of 5N high purity indium YS / T 264-2012. |
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