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Henrik Teofilus Scheffer, a Swedish assayer, investigates …
Years: 1752 - 1752
Henrik Teofilus Scheffer, a Swedish assayer, investigates platinum metal in 1752, calling it white gold.
He successfully melts and works the substance, which he includes as an element, the seventh known to man.
Because, like gold, it dissolves only in aqua regia, he classifies it as a precious metal.
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Years: 1752 - 1752
Locations
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Commodoties
Subjects
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