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Paul-Émile Lecoq de Boisbaudran

Paul-Émile Lecoq de Boisbaudran, also called François Lecoq de Boisbaudran, was a self-taught French chemist known for his discoveries of the chemical elements gallium, samarium and dysprosium. He developed methods for separation and purification of the rare earth elements and was one of the pioneers of the science of spectroscopy.

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science · French chemist (1838–1912) · chemist · physicist · scientist · winegrower · also Paul-Émile Lecoq de Boisbaudran, François Lecoq de Boisbaudran, Boisbaudran

Born 18 April 1838 · Died 28 May 1912 · Q366827

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Jun 1879Award
Won Davy Medal (1879).
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1912· 1 entry

May 28, 1912Documented record86% confidence

Paul-Émile Lecoq de Boisbaudran

Died 1912-05-28.

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1888· 1 entry

1888Source gives the year onlyDocumented record66% confidence

Paul-Émile Lecoq de Boisbaudran

Was elected a foreign member of the British Royal Society

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1886· 1 entry

1886Source gives the year onlyDocumented record66% confidence

Paul-Émile Lecoq de Boisbaudran

Succeeded in isolating a purified sample of the source of the new spectral band

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1885· 2 entries

1885Source gives the year onlyDocumented record66% confidence

Paul-Émile Lecoq de Boisbaudran

Also spectroscopically characterized gadolinium in 1885, an element previously discovered in 1880 by J

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1885Source gives the year onlyDocumented record66% confidence

Paul-Émile Lecoq de Boisbaudran

Experimented with reversing the polarity of the electric current

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1879· 1 entry

Jun 15, 1879Documented record84% confidence

Paul-Émile Lecoq de Boisbaudran

Won Davy Medal (1879).

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1874· 2 entries

1874Source gives the year onlyDocumented record70% confidence

Paul-Émile Lecoq de Boisbaudran

Lecoq de Boisbaudran investigated a sample of 52 kg of the mineral ore sphalerite obtained from the Pierrefitte mine in the Pyrenees

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1874Source gives the year onlyDocumented record70% confidence

Paul-Émile Lecoq de Boisbaudran

Lecoq de Boisbaudran found that certain crystal faces dissolve more rapidly than other crystal faces

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1838· 1 entry

Apr 18, 1838Documented record86% confidence

Paul-Émile Lecoq de Boisbaudran

Born 1838-04-18.

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