Tips On How To Interpret A Water Analysis Report
The lead monoxide is thereby reduced to metallic lead, within the midst of a slag rich in lead monoxide. Most lead ores comprise a low percentage of lead (rich ores have a typical content material of 3–8%) which have to be concentrated for extraction. During initial processing, ores sometimes endure crushing, dense-medium separation, grinding, froth flotation, and drying. The ensuing concentrate, which has a lead content of 30–80% by mass (regularly 50–60%), is then turned into lead metal. From 1960 to 1990, lead output within the Western Bloc grew by about 31%.