The material composition of alkaline tin-containing solutions
Abstract
One of the ways to extract tin from tinplate waste is to dissolve tin in alkaline solutions containing methanitrobenzoic acid, followed by electrolysis. The technological solution is a complex multicomponent system. In addition to free alkali and methanitrobenzoic acid, it may contain stannates and stannites of tin, as well as various nitrobenzoic acid reduction products (azoxy-, azo-, hydrazo- and other compounds). The formation of carbonates is inevitable due to the absorption of carbon dioxide from the air ...
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References
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- Kolodin S. M. Secondary tin. Metallurgizdat, 1963.
- Lapin N. M., Slyusarev A. T. Determination of methanitrobenzoic acid in an electrolyte during removal of tin from waste. Head of the laboratory, vol. XXIII. No. 12, 1957.
- Prandetskaya K. A. On the removal of tin from tinplate in alkaline joints containing nitroacids. J. Appl. Chemistry, vol. XXX, issue 9, 1957.
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