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| Electrolytic Preparation of High-purity Tin from High-antimony-bearing Crude Tin |
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Received:August 18, 2015
Revised:August 24, 2015
Accepted:August 25, 2015
Published Online:January 21, 2016
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| DOI：doi：10.3969/j.issn.1007-7545.2016.02.015 |
| KeyWord:high-antimony-bearing crude tin; alloys; electrolysis; high-purity tin |
| Author | Institution |
| QIN Yong-ning |
广西冶金研究院; |
| GAN Ji-wen |
中国科技开发院广西分院 |
| WEI Zhen-zhou |
广西冶金研究院 |
| WANG Yao |
广西冶金研究院 |
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| Abstract: |
| High-purity metal tin was prepared from high-antimony-bearing crude tin by electrolysis. The first electrolysis was aimed to separate Sb and Sn in HCl-SnCl2 electrolyte. Cathode tin from first electrolysis was treated in the second electrolytic process in H2SO4-SnSO4 solution to produce 5N high-purity tin under strictly controlled conditions. |
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