• Thumbnail for Jean-Baptiste Dumas
    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...
    15 KB (1,576 words) - 08:56, 13 September 2024
  • general Gustave Dumas (1872–1955), Swiss mathematician Henry Dumas (1934–1968), African-American poet and author Jean-Baptiste Dumas (1800–1884), French...
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  • Donatien de Vimeur, comte de Rochambeau Jean-Baptiste Du Tertre, French blackfriar and botanist Jean-Baptiste Dumas, French chemist, best known for his works...
    10 KB (1,396 words) - 20:37, 23 October 2024
  • chemical substances based on a method first described by Jean-Baptiste Dumas in 1826. The Dumas technique has been automated and instrumentalized, so that...
    3 KB (418 words) - 15:48, 10 October 2023
  • Thumbnail for Jean Claude Eugène Péclet
    businessman Alphonse Lavallée, by Péclet, and by two other scientists, Jean-Baptiste Dumas and Théodore Olivier. His salary was then 3000 Francs per year, plus...
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  • Thumbnail for Jean Stas
    the École Polytechnique in Paris under the direction of Jean-Baptiste Dumas. Stas and Dumas established the atomic weight of carbon by weighing a sample...
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  • Thumbnail for Jean-Baptiste Boussingault
    scientific experimentation on a field basis). He collaborated with Jean Baptiste Dumas in writing an Essai de statique chimique des litres organists (1841)...
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  • 16 Å. Acetonitrile was first prepared in 1847 by the French chemist Jean-Baptiste Dumas. Acetonitrile is used mainly as a solvent in the purification of...
    21 KB (1,789 words) - 03:04, 2 November 2024
  • variety of fuel applications. Dimethyl ether was first synthesised by Jean-Baptiste Dumas and Eugene Péligot in 1835 by distillation of methanol and sulfuric...
    22 KB (1,695 words) - 19:38, 10 November 2024
  • Thumbnail for Faraday Lectureship Prize
    Faraday Lecture was given in 1869, two years after Faraday's death, by Jean-Baptiste Dumas. As of 2009, the prize was worth £5000, with the recipient also receiving...
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  • Thumbnail for Trichloroacetic acid
    called trichloroacetates. Trichloroacetic acid was discovered by Jean-Baptiste Dumas in 1830. It is prepared by the reaction of chlorine with acetic acid...
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  • Thumbnail for Fluoromethane
    compound to be discovered when it was synthesized by French chemists Jean-Baptiste Dumas and Eugène-Melchior Péligot in 1835 by distilling dimethyl sulfate...
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  • Thumbnail for Auguste Laurent
    how the molecules combine in organic reactions. He studied under Jean-Baptiste Dumas as a laboratory assistant and worked with Charles Frédéric Gerhardt...
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  • Thumbnail for Jean Victor Audouin
    sciences naturelles, which, with Adolphe Theodore Brongniart and Jean-Baptiste Dumas, he founded in 1824, as well as in the proceedings of the Société...
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  • Thumbnail for 1843 in science
    sunspots: they wax and wane in number according to a ten-year cycle. Jean-Baptiste Dumas names lactose. Carl Mosander discovers the chemical elements Terbium...
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  • Thumbnail for List of lay Catholic scientists
    Lavoisier, Alessandro Volta, Augustin-Louis Cauchy, Pierre Duhem, Jean-Baptiste Dumas, Alois Alzheimer, Georgius Agricola and Christian Doppler. Contents...
    42 KB (4,579 words) - 16:52, 4 November 2024
  • Thumbnail for History of atomic theory
    elements, because he thought this only existed in organic compounds. Jean-Baptiste Dumas used the terms "physical atoms" and "chemical atoms"; a "physical...
    76 KB (9,950 words) - 07:20, 15 November 2024
  • Thumbnail for Eugène-Melchior Péligot
    chemistry at the Institut National Agronomique. He collaborated with Jean-Baptiste Dumas, and together they discovered the methyl radical during experiments...
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  • {101.325\ kPa} }}\approx \mathrm {22.414\ L/mol} } First used by Jean-Baptiste Dumas in 1826. First used by Stanislao Cannizzaro in 1858. "Avogadro's...
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  • Thumbnail for Cannes
    Victor" . Encyclopædia Britannica. Vol. 7 (11th ed.). pp. 330–335. "Dumas, Jean Baptiste André" . Encyclopædia Britannica. Vol. 8 (11th ed.). 1911. pp. 657–658...
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  • Thumbnail for Louis Pasteur
    He also attended classes at the Lycée Saint-Louis and lectures of Jean-Baptiste Dumas at the Sorbonne. In 1843, he passed the test with a high ranking...
    131 KB (14,281 words) - 17:20, 11 October 2024
  • Thumbnail for Alexandre Dumas fils
    well as numerous stage and film productions. Dumas fils (French for "son") was the son of Alexandre Dumas père ("father"), also a well-known playwright...
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  • principles; and of composing such bodies from those principles. In 1837, Jean-Baptiste Dumas considered the word "chemistry" to refer to the science concerned...
    83 KB (9,193 words) - 01:13, 26 October 2024
  • enabled chemistry to become a quantitative science. French chemist Jean-Baptiste Dumas (1800–84) became one of the more influential opponents of atomic...
    19 KB (2,706 words) - 02:54, 13 October 2024
  • Thumbnail for Anselme Payen
    of the French Academy of Sciences reviewed Payen's findings in : Jean-Baptiste Dumas (1839) "Rapport sur un mémoire de M. Payen, relatif à la composition...
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  • ((CN)2) not realizing that cyanogen is the cyanide dimer NC-CN. Jean-Baptiste Dumas proposed the ethylene radical from investigations into diethyl ether...
    9 KB (1,210 words) - 18:30, 11 September 2024
  • experimentally studied using quasielastic neutron scattering. French chemists Jean-Baptiste Dumas and Eugene Peligot, after determining methanol's chemical structure...
    12 KB (1,409 words) - 12:42, 4 October 2024
  • Thumbnail for Charles Frédéric Gerhardt
    went to Paris with introductions from Liebig. In Paris, he attended Jean Baptiste Dumas’ lectures and worked with Auguste Cahours (1813–1891) on essential...
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  • Thumbnail for John Newlands (chemist)
    1863. Continuing Johann Wolfgang Döbereiner's work with triads and Jean-Baptiste Dumas' families of similar elements, he published in 1865 his "Law of Octaves"...
    7 KB (633 words) - 18:23, 9 August 2024
  • Thumbnail for Molière
    Jean-Baptiste Poquelin (French pronunciation: [ʒɑ̃ batist pɔklɛ̃]; 15 January 1622 (baptised) – 17 February 1673), known by his stage name Molière (UK:...
    45 KB (5,898 words) - 12:24, 7 November 2024