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Jean Hawthorne
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Cleaning And De-Greasing Of Metallic Materials By Chemical Methods
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Abstract
22,625. Hawthorne, J. March 26, [date applied for under Patents Act, 1901]. Pickling metals by.-Silver or gold is cleaned by making it the cathode in a self-exciting electrolytic process, in which tin, aluminium or other suitable metal, which may form a dish, basket, or plate, constitutes the anode. The electrolyte is preferably a solution capable of removing grease, such as sodium carbonate, and should be warm.
GB190722625D1907-03-261907-10-14Improvements in Metal Cleansers.
ExpiredGB190722625A
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