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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]
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.
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 ...
On the Eiffel Tower, 72 names of French men (scientists, engineers, and mathematicians) are engraved in recognition of their contributions. [1] Gustave Eiffel chose this "invocation of science" because of his concern over the protests against the tower, and chose names of those who had distinguished themselves since 1789. [2]
Jean Servais Stas (21 August 1813 – 13 December 1891) was a Belgian analytical chemist who accurately measured the atomic weight of carbon. Life and work [ edit ]
Connections, a Myst-style computer game with James Burke and others providing video footage and voice acting, was released in 1995. [4] It was a runner-up for Computer Gaming World ' s award for the best "Classics/Puzzles" game of 1995, which ultimately went to You Don't Know Jack .
Statue of General Thomas-Alexandre Dumas, melted down following a 1941 decision of the Nazi occupation authorities [1] Thomas-Alexandre Dumas Davy de la Pailleterie (French: [tɔmɑ alɛksɑ̃dʁ dymɑ davi də la pajət(ə)ʁi]; known as Thomas-Alexandre Dumas; 25 March 1762 – 26 February 1806) was a French general, from the French colony of Saint-Domingue, in Revolutionary France.
Justus Freiherr von Liebig [a] (12 May 1803 – 20 April 1873) [2] was a German scientist who made major contributions to the theory, practice, and pedagogy of chemistry, as well as to agricultural and biological chemistry; he is considered one of the principal founders of organic chemistry. [3]