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Codelco WikipediaCODELCO (Corporación Nacional del Cobre de Chile or, in English, the National Copper Corporation of Chile) is a Chilean state owned copper mining company.Olympic Dam Copper-Ur

copper extraction and purification chemguideThis page looks at the extraction of copper from its ores, its purification by electrolysis, and some of its uses. Before you get too bogged down in

Copper WikipediaCopper is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and ...Copper Tube onlin