An examination of the literature indicated that the recommended bath for polishing this metal was one consisting of 250 c.c. of 60 per cent perchloric acid, with 750 c.c. glacial acetic acid.

Electropolishing smooths, polishes, deburrs, and cleans steel, stainless steel, and copper or aluminum alloys in an electrolytic bath. It selectively removes high points on metal surfaces, giving ...