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Jean Baptiste André Dumas (French pronunciation: [ʒɑ̃ batist ɑ̃dʁe dyma]; 14 July 1800 – 10 April 1884) was a French chemist, best known for his works on organic analysis and synthesis, as well as the determination of atomic weights (relative atomic masses) and molecular weights by measuring vapor densities.
In February 1848, Alexandre Dumas (Gérard Depardieu) is at the height of his fame. He has withdrawn for a few days into the immense Château de Monte-Cristo near Le Port-Marly, that he is building. There he works with his collaborator, Auguste Maquet (Benoît Poelvoorde). If the books bear Dumas' name, the tiring work undertaken by Maquet is ...
Hard Truths is a 2024 comedy-drama film written and directed by Mike Leigh and starring Marianne Jean-Baptiste, Michele Austin, and David Webber.Set in London, its plot follows the plight of a depressed and nay-saying woman (Jean-Baptiste) and the relationship with her jovial sister Chantelle (Austin).
The Dumas method of molecular weight determination was historically a procedure used to determine the molecular weight of an unknown volatile substance. [ 1 ] [ 2 ] The method was designed by the French chemist Jean Baptiste André Dumas , after whom the procedure is now named.
He collaborated with Jean-Baptiste Dumas, and together they discovered the methyl radical during experiments on wood spirit . The terminology "methyl alcohol" was created by both chemists from "wood wine". They also prepared the gaseous dimethyl ether, and many esters.
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The Dumas technique has been automated and instrumentalized, so that it is capable of rapidly measuring the crude protein concentration of food samples. This automatic Dumas technique has replaced the Kjeldahl method as the standard method of analysis for nutritional labelling of protein content of foods (except in high fat content foods where ...
Alexandre Dumas [a] (born Dumas Davy de la Pailleterie, [b] 24 July 1802 – 5 December 1870), [1] [2] also known as Alexandre Dumas père, [c] was a French novelist and playwright. His works have been translated into many languages and he is one of the most widely read French authors.