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Expired
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Heinrich Brandenburg
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Individual
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Individual
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Publication of GB190121424ApublicationCriticalpatent/GB190121424A/en
21,424. Brandenburg, H. Oct. 25. Sulphates; tin oxide.-Metallic residues &c. containing copper, lead, zinc, nickel, tin, &c. are treated with a solution of sodium bisulphate, or are fused with the salt in order to obtain the metal or sulphate, tin being recovered as oxide.
GB190121424D1901-10-251901-10-25A Process for Recovering Metals and Metallic Compounds from Materials containing Metals and Particularly from Residues
ExpiredGB190121424A
(en)