Marc Delafontaine: Difference between revisions
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{{Unreferenced|date=December 2009}} |
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'''Marc Delafontaine''' (Born at Celigny, 1837–1911) was a [[Switzerland|Swiss]] [[chemist]] who in 1878, along with [[Jacques-Louis Soret]], first observed [[holmium]] spectroscopically. In 1879, [[Per Teodor Cleve]] chemically separated it from [[thulium]] and [[erbium]]. The three are given credit for the element's discovery. |
'''Marc Delafontaine''' (Born at Celigny, 1837–1911) was a [[Switzerland|Swiss]] [[chemist]] who in 1878, along with [[Jacques-Louis Soret]], first observed [[holmium]] spectroscopically. In 1879, [[Per Teodor Cleve]] chemically separated it from [[thulium]] and [[erbium]]. The three are given credit for the element's discovery. |
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[[Category:20th-century chemists]] |
[[Category:20th-century chemists]] |
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[[Category:Holmium]] |
[[Category:Holmium]] |
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{{Switzerland-scientist-stub}} |
{{Switzerland-scientist-stub}} |
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Revision as of 14:24, 13 September 2018
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Marc Delafontaine (Born at Celigny, 1837–1911) was a Swiss chemist who in 1878, along with Jacques-Louis Soret, first observed holmium spectroscopically. In 1879, Per Teodor Cleve chemically separated it from thulium and erbium. The three are given credit for the element's discovery.
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