• Thumbnail for Carl Wilhelm Scheele
    Carl Wilhelm Scheele (German: [ˈʃeːlə], Swedish: [ˈɧêːlɛ]; 9 December 1742 – 21 May 1786) was a German Swedish pharmaceutical chemist. Scheele discovered...
    32 KB (3,558 words) - 17:54, 1 August 2024
  • Thumbnail for Scheele's green
    3. It is chemically related to Paris green. Scheele's green was invented in 1775 by Carl Wilhelm Scheele. By the end of the 19th century, it had virtually...
    17 KB (1,788 words) - 13:41, 3 August 2024
  • Thumbnail for Chlorine
    substance was only recognised around 1630 by Jan Baptist van Helmont. Carl Wilhelm Scheele wrote a description of chlorine gas in 1774, supposing it to be an...
    117 KB (13,009 words) - 22:07, 21 June 2024
  • Thumbnail for Malic acid
    of the stomata. Malic acid was first isolated from apple juice by Carl Wilhelm Scheele in 1785. Antoine Lavoisier in 1787 proposed the name acide malique...
    17 KB (1,322 words) - 04:54, 16 July 2024
  • Thumbnail for Scheele (crater)
    Scheele are several low ridges projecting above the surface of the lunar mare, the Dorsa Ewing. This crater was named after the Swedish chemist Carl Wilhelm...
    4 KB (305 words) - 05:59, 19 April 2023
  • Thumbnail for Lactose
    Antonio Vallisneri. Lactose was identified as a sugar in 1780 by Carl Wilhelm Scheele. In 1812, Heinrich Vogel (1778–1867) recognized that glucose was...
    23 KB (2,538 words) - 21:26, 8 July 2024
  • Thumbnail for Molybdenum
    a new entity from the mineral salts of other metals) in 1778 by Carl Wilhelm Scheele. The metal was first isolated in 1781 by Peter Jacob Hjelm. Molybdenum...
    73 KB (8,220 words) - 21:46, 6 August 2024
  • Thumbnail for Oxygen
    commonly believed that the element was discovered independently by Carl Wilhelm Scheele, in Uppsala, in 1773 or earlier, and Joseph Priestley in Wiltshire...
    114 KB (11,793 words) - 19:48, 28 July 2024
  • Thumbnail for Potassium bitartrate
    Swedish chemist Carl Wilhelm Scheele (1742-1786). This was a result of Scheele's work studying fluorite and hydrofluoric acid. Scheele may have been the...
    20 KB (2,139 words) - 20:53, 30 June 2024
  • Thumbnail for Nitrogen
    Scottish physician Daniel Rutherford in 1772 and independently by Carl Wilhelm Scheele and Henry Cavendish at about the same time. The name nitrogène was...
    105 KB (12,215 words) - 09:18, 5 August 2024
  • Scheele is a surname of Germanic origin. Notable people with the surname include: Carl Wilhelm Scheele (1742–1786), German-Swedish pharmaceutical chemist...
    718 bytes (127 words) - 14:08, 25 July 2022
  • Thumbnail for Nitrous acid
    and in the form of nitrite (NO− 2) salts. It was discovered by Carl Wilhelm Scheele, who called it "phlogisticated acid of niter". Nitrous acid is used...
    12 KB (1,198 words) - 01:04, 22 May 2024
  • Newton, Gottfried Wilhelm Leibniz and others, described by A. Rupert Hall; the 18th-century discovery of oxygen by Carl Wilhelm Scheele, Joseph Priestley...
    96 KB (11,067 words) - 11:03, 30 July 2024
  • Thumbnail for History of photography
    attributed the effect to its viscous nature. In 1777, the chemist Carl Wilhelm Scheele was studying the more intrinsically light-sensitive silver chloride...
    67 KB (7,592 words) - 07:59, 25 July 2024
  • Thumbnail for History of chemistry
    1781, Carl Wilhelm Scheele discovered that a new acid, tungstic acid, could be made from Cronstedt's scheelite (at the time named tungsten). Scheele and...
    155 KB (19,255 words) - 14:17, 7 August 2024
  • Thumbnail for Oxalic acid
    Swedish chemists Carl Wilhelm Scheele and Torbern Olof Bergman produced oxalic acid by reacting sugar with concentrated nitric acid; Scheele called the acid...
    41 KB (4,106 words) - 15:14, 14 July 2024
  • Thumbnail for Tartaric acid
    process for extraction was developed in 1769 by the Swedish chemist Carl Wilhelm Scheele. Tartaric acid played an important role in the discovery of chemical...
    26 KB (2,287 words) - 11:19, 18 July 2024
  • Thumbnail for Scheelite
    tungsten (wolfram). Scheelite is originally named after Swedish chemist Carl Wilhelm Scheele (1742–1786). Well-formed crystals are sought by collectors and are...
    12 KB (1,198 words) - 19:45, 31 July 2024
  • Thumbnail for Johan Gottlieb Gahn
    to 1770 and became acquainted with chemists Torbern Bergman and Carl Wilhelm Scheele. 1770 he settled in Falun, where he introduced improvements in copper...
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  • pharmacists. The award is given to commemorate the pharmacist and chemist Carl Wilhelm Scheele (1742–1786) and has been appointed since 1961, in the beginning annually...
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  • Thumbnail for Peter Jacob Hjelm
    molybdenum in 1781, four years after its discovery by Swedish chemist Carl Wilhelm Scheele. Working with Molybdic acid, Hjelm chemically reduced molybdenum...
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  • Thumbnail for Tungstic acid
    Salts of tungstic acid are tungstates. The acid was discovered by Carl Wilhelm Scheele in 1781. Tungstic acid is obtained by the action of strong acids...
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  • with electricity in his spare time. After reading an article by Carl Wilhelm Scheele on the behaviour of the cyanides of gold and silver in a solution...
    2 KB (234 words) - 11:58, 29 July 2023
  • Thumbnail for Silicon tetrafluoride
    only 4 °C above its melting point. It was first prepared in 1771 by Carl Wilhelm Scheele by dissolving silica in hydrofluoric acid., later synthesized by...
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  • elucidated its properties and Joseph Priestley and, independently, Carl Wilhelm Scheele isolated pure oxygen. The theory of phlogiston (a substance at the...
    83 KB (9,192 words) - 00:41, 20 July 2024
  • Fire air (category Carl Wilhelm Scheele)
    This theory was positioned in 1775 by Swedish chemist Carl Wilhelm Scheele.[1] In Scheele's Chemical Treatise on Air and Fire he states: "air is composed...
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  • Thumbnail for Hydrogen sulfide
    having a characteristic foul odor of rotten eggs. Swedish chemist Carl Wilhelm Scheele is credited with having discovered the chemical composition of purified...
    75 KB (7,915 words) - 11:23, 23 July 2024
  • Thumbnail for Albert Hofmann
    granted him the Scheele Award, which commemorates the skills and achievements of the Swedish Pomerania chemist and pharmacist Carl Wilhelm Scheele. Hofmann,...
    23 KB (2,349 words) - 14:44, 21 July 2024
  • Thumbnail for Teal
    and in the late eighteenth century, the German Swedish scientist Carl Wilhelm Scheele found new copper greens. Issue awareness Teal is the color of ovarian...
    16 KB (1,582 words) - 08:57, 31 July 2024
  • Thumbnail for Citric acid
    was grown. Citric acid was first isolated in 1784 by the chemist Carl Wilhelm Scheele, who crystallized it from lemon juice. Industrial-scale citric acid...
    36 KB (3,650 words) - 04:15, 4 August 2024