Per Teodor Cleve concludes in 1882 that…

1882 CE

Per Teodor Cleve concludes in 1882 that Mosander's didymia (from which are eventually isolated praseodymium and neodymium) is a complex earth, i.e., a mixture of several rare-earth oxides.

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Uppsala Stockholms Län Sweden View →

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Per Teodor Cleve View →

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Sweden and Norway, Union between the Kingdoms of View →

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Technology View → Chemistry View →

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