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Metals and ICP spectroscopy

On a recent visit to the Science Museum in London I came across this interesting exhibit. It is some slivers of aluminium that were made in 1855 by reducing the aluminium ions in cryolite with sodium metal. The inscription reads: “Aluminium from cryolite by sodium in my laboratory by A. Dick March 27. 1855. For the first time this made. Exhibited same night at Royal Institution by Mr. Faraday. I. Percy Aug 16 1865”...

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