Litharge is prepared as the oxidized product of molten lead that has been stirred or atomized to incorporate air then cooled and ground to form the yellow powder. Massicot, another crystalline form of lead monoxide

, occurs naturally but can also be made by heating lead carbonate to 300C.

How do you make lead oxide?

Commercial lead oxides can all be prepared by wet chemical methods. With the exception of lead dioxide, lead oxides are produced by thermal processes in which lead is directly oxidized with air.

How do you make red lead oxide?

Red lead is produced by heating litharge at a carefully controlled temperature, lower than that used for the manufacture of litharge. In this process, the litharge takes on more oxygen to form red lead. Lead dioxide (PbO₂) is an oxidizing agent used in the manufacture of dyes, matches, and rubber substitutes.