C - Chemistry – Metallurgy – 25 – F
Patent
C - Chemistry, Metallurgy
25
F
204/83.5
C25F 1/06 (2006.01) C23G 1/06 (2006.01) C23G 1/08 (2006.01) C25B 11/00 (2006.01)
Patent
CA 1126630
METHOD OF TREATING ELECTRODES Abstract of the Disclosure Disclosed is a method of cleaning foraminous metal bodies, for example, cathodes, of corrosion products and asbestos. The method is car- ried out by contacting the body with an aqueous cleaning solution containing an oxidation inhibitor, hydrochloric acid, and a source of hydrofluoric acid. Also disclosed is a method of electrolytlcally treating the cleaned metal surface with an organic hydroxy phosphonic acid.
328756
Carlin William W.
Dahlberg Lois A.
Borden Ladner Gervais Llp
Ppg Industries Inc.
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