W. Qin, Zhang Ping-min
2001
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Journal
Journal of Guangdong Non-ferrous Metals
Abstract
The preparation of stannous sulfate can be classified as chemical method and electrochemical method currently , stannous oxide-sulfuric acid synthesis with NH4HCO3 as pre-cipitant is still one of the main chemical methods, with the conversion of tin being 85. 6% and the purity of product up to 98%. Products with a purity over 99% can be prepared with electrochemical methods. Anion-diaphragm electrolysis, featuring a current efficiency up to 99%, obvious energy saving and almost non-pollution, is one of the most promising prepara-tion methods.