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Dumas was born in Alès (), and became an apprentice to an apothecary in his native town. [3] In 1816, he moved to Geneva, where he attended lectures by M. A. Pictet in physics, C. G. de la Rive in chemistry, and A. P. de Candolle in botany, and before he had reached his majority, he was engaged with Pierre Prévost in original work on problems of physiological chemistry and embryology. [4]
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 He has withdrawn for a few days into the immense Château de Monte-Cristo near Le Port-Marly, that he is building.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 ...
Jean-Baptiste Dumas used the terms "physical atoms" and "chemical atoms"; a "physical atom" was a particle that cannot be divided by physical means such as temperature and pressure, and a "chemical atom" was a particle that could not be divided by chemical reactions. [27]
Thirty-two years previously, Jean-Baptiste Dumas, appointed chemistry tutor at the École polytechnique in 1824, had created a small personal laboratory there, the school no longer having research equipment. He maintained this laboratory at his own expense until the revolution of 1848 following which he occupied important political functions.
The Man in the Iron Mask is a 1977 television film directed by Mike Newell, loosely adapted from the 1847–1850 novel The Vicomte de Bragelonne by Alexandre Dumas and presenting several plot similarities with the 1939 film adaptation.
The French chemist Jean-Baptiste Dumas investigated the substitution of hydrogen for chlorine by acetic acid in candle wax as early as 1830. [1] He showed that for each mole of chlorine introduced into a hydrocarbon, one mole of hydrogen chloride is also formed and noted the light-sensitivity of this reaction. [ 2 ]
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.
Jean-Baptiste Dumas "For his late valuable researches in organic chemistry, particularly those contained in a series of memoirs on chemical types and the doctrine of substitution, and also for his elaborate investigations of the atomic weights of carbon, oxygen, hydrogen, nitrogen and other elements" — 1844: Carlo Matteucci
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