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  1. Vor 2 Tagen · Chloroform was first made by the French chemist Jean Baptiste Dumas by reacting acetic acid with chlorine, but its use as an anesthetic was pioneered by James Simpson, a Scottish physician. On the fourth of November, 1847, Simpson and his friends were in search of some entertainment and experimented with inhaling various substances ...

  2. en.wikipedia.org › wiki › ChloroformChloroform - Wikipedia

    Vor 3 Tagen · In 1834, French chemist Jean-Baptiste Dumas determined chloroform's empirical formula and named it: "Es scheint mir also erweisen, dass die von mir analysirte Substanz, … zur Formel hat: C 2 H 2 Cl 6.

  3. 13. Mai 2024 · 00:00/02:27. C’est en début d’après-midi de ce lundi 13 mai que les autorités régionale, académique, étatique et locale inauguraient la première tranche des travaux de rénovation du lycée...

  4. 21. Mai 2024 · Les locaux du lycée Jean-Baptiste Dumas devenaient vieillissants, à Alès (Gard). La Région va investir 68 millions d'euros pour y remédier. La seconde phase du chantier est lancée. Plusieurs...

  5. Vor 4 Tagen · In 1865, Jean-Baptiste Dumas, chemist, senator and former Minister of Agriculture and Commerce, asked Pasteur to study a new disease that was decimating silkworm farms from the south of France and Europe, the pébrine, characterized on a macroscopic scale by black spots and on a microscopic scale by the "Cornalia corpuscles".

  6. 21. Mai 2024 · Jean-Baptiste Dumas coins the term glucose for the sugar obtained from honey, grapes, and starch. 1921 Wonder Bread —white, sugary, and enriched—hits the market.

  7. 25. Mai 2024 · Devant la menace de ruine de l’économie locale, le chimiste alésien Jean-Baptiste Dumas convainc son ancien élève Louis Pasteur d’étudier les maladies du si précieux bombyx. Il identifie la...