how much lead is in lead oxide
12.16 Lead Oxide And Pigment Production 12.16.1 General1-2,7 Lead oxide is a general term and can be either lead monoxide or litharge (PbO); lead tetroxide or red lead (Pb3O4); or black or gray oxide which is a mixture of 70 percent lead monoxide and 30 percent metallic lead. Black lead is made for specific use in the manufacture of lead