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12. Mai 2024 · Nicolas-Louis Vauquelin (born May 16, 1763, Saint-André-d’Hébertot, France—died Nov. 14, 1829, Saint-André-d’Hébertot) was a French chemist who discovered the elements chromium (1797) and beryllium (1798).
- The Editors of Encyclopaedia Britannica
Vor 5 Tagen · Im Jahr 1800 entdeckte der französische Chemiker Louis-Nicolas Vauquelin Allantoin in Körperflüssigkeiten von Rindern. Einige Zeit später begann man, die Verbindung aus dem Harn von Kälbern zu isolieren.
#OTD 10 May 1770 Louis-Nicolas Davout was born. He became Marshal of the Empire under Napoleon. His talent & disciplinarianism earned him the nickname "The Iron Marshal". He is ranked along with Marshals André Masséna and Jean Lannes as one of Napoleon's finest commanders.
Vor einem Tag · Beryllium was discovered by French chemist Louis-Nicolas Vauquelin in 1798. The name "beryllium" comes from the mineral beryl, which contains the element. Beryllium is used in the mirrors of the James Webb Space Telescope due to its stability and light weight. It is one of the few elements that can scratch glass.
25. Mai 2024 · Louis Nicolas Vauquelin (1763-1829). French chemist who discovered the elements beryllium and chromium. He also discovered the first amino acid ― asparagine .
25. Mai 2024 · Louis-Nicolas Vauquelin discovered beryllium. Early analyses of emeralds and beryls by Martin Heinrich Klaproth, Torbern Olof Bergman, Franz Karl Achard, and Johann Jakob Bindheim always yielded similar elements, leading to the mistaken conclusion that both substances are aluminium silicates.
Vor 3 Tagen · In 1797, Vauquelin discovered that he could isolate metallic chromium by heating the oxide in a charcoal oven, for which he is credited as the one who truly discovered the element. Vauquelin was also able to detect traces of chromium in precious gemstones, such as ruby and emerald.
