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Molecular formula :
CAS :
nature : 10 people (VIIIB) elements. Atomic number 28. Stable isotope 58,60,61,62,64. 8.9g/cm3 density. 1455 ° C melting point. Boiling Point 2730 ° C Major +2 oxidation state. The silver-white metal, iron and tenacity, ferromagnetism and stretchability. Can conductive, heat conduction. Not under normal temperature and air and water, alkali resistance, corrosion resistance. Slow dissolve in acid. Heating and oxygen, sulfur, chlorine, bromine and other violent reaction. Carbon monoxide can be generated with carbonyl compounds. Nickel is mainly pyrite nickel, nickel-Si-Mg, nickel yellow, red nickel. Red may be sintered nickel reduction from the system. High nickel matte (48% nickel, 27% copper, 22% sulfur) oxidation After calcination, with the electrolyte copper from leaching copper, the residue using electric furnace melting into rough reduction of nickel (76% nickel, 17% copper), the electrolytic refining. Electrolyte containing NiSO4, H3BO3 and conductive salt. The main system Nickel nickel, chromium, iron and stainless steel of various non-ferroalloy. Thus corrosion resistance, wear resistance, hardness, the equipment used to manufacture chemical and mechanical components. Can also be used for electroplating, battery system, and nickel crucible for hydrogenation catalysts.
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