Resultado de búsqueda
Hace 5 días · Phenolphthalein, which is closely related to the triphenylmethane dyes, was discovered in 1871 by the German chemist Adolf von Baeyer, who prepared it by fusing phenol and phthalic anhydride in the presence of sulfuric acid or zinc chloride, the procedure still employed.
21 de may. de 2024 · Adolf von Baeyer. The 1905 Nobel Prize in Chemistry was awarded to Baeyer "in recognition of his services in the advancement of organic chemistry and the chemical industry, through his work on organic dyes and hydroaromatic compounds." Archive highlights:
30 de may. de 2024 · By using fluorescein sodium as a water tracer, geologist Adolf Knop proved that a part of the Danube water flows into the Rhine through sinkholes near Immendigen and reappearing about 12 km away, near Aachtopf, as the river Radolfzeller
Hace 2 días · It is sometimes referred to as Baeyer's reagent after the German organic chemist Adolf von Baeyer. The reagent is an alkaline solution of potassium permanganate. Reaction with double or triple bonds (-C=C- or -C≡C-) causes the color to fade from purplish-pink to brown.
29 de may. de 2024 · The 1952 Nobel prize in chemistry medal awarded to British biochemist Richard Synge for his groundbreaking invention of partition chromatography more than a decade earlier will be auctioned off at the end of May.
Hace 3 días · DDT was first synthesized in 1874 by Othmar Zeidler under the supervision of Adolf von Baeyer. It was further described in 1929 in a dissertation by W. Bausch and in two subsequent publications in 1930.
Hace 1 día · Adolf von Baeyer, recipient of the 1905 Nobel Prize in Chemistry, was Jewish on his mother's side and is considered the first Jewish awardee. Jewish laureates Elie Wiesel and Imre Kertész survived the extermination camps during the Holocaust. François Englert survived by being hidden in orphanages and children's homes.
