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History of aluminum Jun 13, 2018

Analysis of a peculiar metal decoration found in the tomb of a Chinese 3rd-century military leader Zhou found that it contained 85% aluminum. How it is produced is still an unsolved mystery. At the end of the 18th century, alumina was found to contain a metal that was not extracted from it. Humphry Davy uses current to extract sodium and potassium from what they call "dirt" (oxide), but he cannot extract aluminum in the same way. The first person to take it out was Hans Christian Oersted of Copenhagen (Danish Capital) in 1827, and for the first time used sodium instead of potassium to obtain pure aluminum.