OXIDE REMOVAL FROM METALLIC SURFACE

摘要

A cleaning composition having a pH of about 4 to about 9 and consisting essentially of the following ingredients present in proportions effective to clean from a metallic surface contacted therewith metal oxide and other soil adhered to the metallic surface: (A) acid; (B) imidazole; and (C) a surfactant; and also a cleaning composition having a pH of about 4 to about 6 and consisting essentially of the following ingredients present in proportions effective to clean from a metallic surface contacted therewith metal oxide and other soil adhered to the metallic surface: (A) acid; (B) triazole; and (C) a surfactant.