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Electrolytic Preparation of High-purity Tin from High-antimony-bearing Crude Tin |
Received:August 18, 2015 Revised:August 24, 2015 |
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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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