Copper - WikipediaCopper is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29. .. The concentration of copper in ores averages only 0.6%, and most . and ingots; lower-purity scrap is refined by electroplating in a bath of sulfuric acid. .. of ships, a technique pioneered by the British Admiralty in the 18th century.cu content of copper ore is 18 as bottom line,cu content of copper ore is 18 as bottom line,Copper extraction techniques - WikipediaCopper extraction techniques refers to the methods for obtaining copper from its ores. . Most copper ores contain only a small percentage of copper metal bound up within valuable ore .. of the slag, meaning that the smelting process can be operated at a lower temperature. .. At the anode: Cu(s) → Cu2+(aq) + 2e−.
cu content of copper ore is 18 as bottom line