Copper in reddish metal, it''s malleable,ductile and an extremely good conductor of both heat and electricity. Copper metal is widely used for electrical wiring,water piping, and corrosion resistant parts,either pure or in alloy such as brass and bronze. carbon and sulphur are considered as impurities, so it''s important to measure and check the copper purity. 紅外碳硫分析儀（EMIA-920V2系列） 紅外碳硫分析儀