The most effective oxidizer for silver, copper and brass quickly and easily, Creates the blackened look popular in vintage jewelry.. This product is used to permanently "antique" silver and copper. It will not rub off or disappear during ultrasonic or steam cleaning. Easy to use--simply mix a small amount with water and apply to the clean metal component. Let dry and re-polish surface highlights with a JSP® Polishing Cloth, 4 ozs lump form, simply mix with hot water. Also spelled Liver of Sulphur.
CAS#:39365-88-3 linear Formula: K2SO4/(K2Sx)2.