Georges Urbain

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Georges Urbain (born April 12, 1872 in Paris , † November 5, 1938 there ) was a French chemist .

Life

He studied chemistry at the Sorbonne and received his doctorate in 1899. He was then a university professor in Paris until his death. His main field of work was the chemistry of the lanthanides . He realized, especially with spectroscopic methods, that several lanthanides previously regarded as pure elements were in fact mixtures. He isolated and described lutetium for the first time, produced pure gadolinium for the first time and, together with Charles James, pure erbium oxide .

In 1919 he founded the Société des terres rares (STR). In 1921 he was admitted to the Académie des Sciences and in 1925 as a corresponding member of the Russian Academy of Sciences . In 1938 he was elected to the American Academy of Arts and Sciences .

In addition, he was also artistically active as a musician, painter and sculptor.

Web links

Individual evidence

  1. ^ Rhodia à La Rochelle - numéro 1 mondial
  2. ^ Foreign members of the Russian Academy of Sciences since 1724. Georges Urbain. Russian Academy of Sciences, accessed October 29, 2015 .
  3. ^ Members of the American Academy. Listed by election year, 1900-1949 ( PDF ). Retrieved September 27, 2015