…showed first 75 words of 1642 total…

…showed last 75 words of 1642 total…is 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. Orange mineral (Pb3O4), having the same chemical composition as red lead but differing in colour and tone, is exploited in the manufacture of printing inks and pigments. Black oxide is a mixture of litharge and finely divided metallic lead and is mainly used in batteries.