graphite electrode for arc furnace
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The chemical properties of elemental carbon are relatively stable at room temperature and are insoluble in water, dilute acid, dilute alkali and organic solvents; it reacts and burns with oxygen at different high temperatures to generate carbon dioxide or carbon monoxide; among halogens, only fluorine can directly react with elemental carbon; Under high temperature, elemental carbon is easier to be oxidized by acid; at high temperature, carbon can also react with many metals to form metal carbides. Carbon is reductive and can smelt metals at high temperatures.
Graphite is a crystalline mineral of carbon elements, and its crystal lattice is a hexagonal layered structure. The distance between each mesh layer is, and the distance between carbon atoms in the same mesh layer is;. It belongs to the hexagonal crystal system with complete layered cleavage. The cleavage surface is dominated by molecular bonds, which has weaker attraction to molecules, so its natural floatability is very good.
Graphite, diamond, carbon 60, carbon nanotubes, etc. are all simple substances of carbon, and they are allotropes.