Copper is a kind of metallic chemical element, one kind of trace elements necessary for human body, one of the1
Product Description
Copper is a kind of metallic chemical element, one kind of trace elements necessary for human body, one of the earliest metal copper is found in humans, is a kind of metal is widely used in human, belongs to heavy metals. Copper is the earliest human use of metal. In prehistoric times, people began to mining open pit copper mine, and use the obtained copper manufacturing weapons, type and other vessels, the use of copper on the early far-reaching influence to the progress of human civilization. Copper is a present in the earth's crust and the ocean in metal. The content of copper in the earth's crust is about 0.01%, in the individual copper deposits, the copper content can reach 3% ~ 5%. The nature of the copper, mostly with compounds of copper minerals. Copper minerals and other minerals into copper ore, mining of copper ore, after dressing and become high grade copper concentrate containing copper. Is the only big natural output metal, also exists in all kinds of ores (e.g. chalcopyrite, chalcocite, bornite, malachite, cuprite), with metal and brass, bronze and other alloy form used in industry, engineering and technology. Use: Copper is a very close relationship between mankind and nonferrous metal, widely used in electrical, light industry, machinery manufacturing, construction industry, defense industry and other fields, in Chinese nonferrous metal materials consumption after aluminum. Copper is a red metal, is also a kind of green metal. It is green metal, mainly because of its low melting point, easy to melt, then smelting, recycling and quite cheap.
