Brass is an alloy of copper mineral and zinc that have been in make use of since 500 B.C. It is differentiate from bronze, a similar copper alloy, by its muted gold colored: bronze has more of a darkish, reddish colored hue. Brass tarnishes when the copper leaches to the surface area and oxidizes, and while commercial brass cleaning goods effectively clean that, you can help make effective cleaners with house ingredients. If cleaning items such as antique drawer pulls, primary ensure they aren't lacquered. If they may be, you need to remove the lacquer before you may clean up the metal.