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 dev
Samarium
Gallium
Spectre electrique du Chlorure de Gallium, 1877
Dysprosium
Dysprosium
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Dysprosium is a chemical element; it has symbol Dy and atomic number 66. It is a rare-earth element in the lanthanide series with a metallic silver luster. Dysprosium is never found in nature as a fre
Paul-Émile Lecoq de Boisbaudran
…Boisbaudran (18 April 1838 – 28 May 1912), 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. Lecoq de…
Dy chips
Dysprosium sample
Dysprosium sulfate, Dy2(SO4)3
Xenotime