In a few minutes one of the ingots was a mass of pure aluminum.
Although ancient Persian potters added aluminum to their clay to strengthen their pottery, pure aluminum wasn't discovered until 1825.
Turning ore into pure aluminum requires great amounts of electricity, and industry lobbyists say the tax will cost aluminum makers $170 million a year.
This causes pure aluminum to be generated by certain chemical reactions.
One seldom sees "pure" aluminum except in chemical reagents.
Smelters can produce pure aluminum, calcium metal, oxygen and silica glass from anorthite.
Of particular importance is the thorough character of the union between the alloy and the pure aluminum.
AlLi shows almost the same size lattice structure as pure aluminum except lithium atoms are present in the corners of the unit cell.
Minet gave the real credit though to other chemists who saw how to produce "pure aluminum".
To make pure aluminum, the alumina is put in a large graphite-lined vessel with a chemical called cryolite.