• Thumbnail for Frémy's salt
    Frémy's salt is a chemical compound with the formula (K4[ON(SO3)2]2), sometimes written as (K2[NO(SO3)2]). It is a bright yellowish-brown solid, but its...
    11 KB (1,045 words) - 16:21, 17 April 2024
  • Thumbnail for Edmond Frémy
    Edmond Frémy (French: [fremi]; 28 February 1814 – 3 February 1894) was a French chemist. He is perhaps best known today for Frémy's salt, a strong oxidizing...
    4 KB (503 words) - 11:37, 21 August 2024
  • PMID 12379138. Teuber HJ (1972). "Use of Dipotassium Nitrosodisulfonate (Frémy's Salt): 4,5-Dimethyl-o-Benzoquinone". Org. Synth. 52: 88. doi:10.15227/orgsyn...
    6 KB (477 words) - 16:03, 27 January 2024
  • (ZnEt2 / CH2I2) Frémy's salt (Na2NO(SO3)2) Gilman reagents (R2CuLi, class of compounds) Glauber's salt (Na2SO4·10H2O) Gmelin's salt (K3Fe(CN)6) Gingras...
    11 KB (852 words) - 15:53, 23 April 2024
  • Thumbnail for Aminoxyl group
    aminoxyl radical TEMPO, a commonly encountered organic aminoxyl radical Fremy's salt, an inorganic aminoxyl radical Sterically unhindered aminoxyls bearing...
    3 KB (326 words) - 18:50, 18 February 2023
  • Stephen Perry patents the rubber band in England. Edmond Frémy discovers the oxidizing agent Frémy's salt. August – John Franklin's expedition with HMS Erebus...
    7 KB (670 words) - 16:58, 16 June 2024
  • Thumbnail for Radical (chemistry)
    Nitric oxide (NO) is well known example of an isolable inorganic radical. Fremy's salt (Potassium nitrosodisulfonate, (KSO3)2NO) is a related example. Many...
    40 KB (4,595 words) - 17:55, 4 August 2024
  • Thumbnail for Oxidopamine
    with isovanillin. The central step in synthesising oxidopamine is a Fremy's salt oxidation of 3-hydroxy-4-methoxyphenethylamine forming the corresponding...
    13 KB (1,345 words) - 02:25, 6 August 2024
  • yields than hypervalent iodine methods. (12) Exposure of phenols to Fremy's salt or cerium(IV) ammonium nitrate also yields quinones. (13) The organic...
    9 KB (1,091 words) - 03:35, 7 May 2022
  • Thumbnail for Bonaire
    Bonaire (section Salt pans)
    is known for its salt pans (also called salt lakes, salt flats, or saliñas), which cover 10% of the island's land. Salt pans are salt lakes or inlets that...
    107 KB (11,165 words) - 02:05, 28 August 2024
  • Thumbnail for Hexol
    described a second achiral hexol (a minor byproduct from the production of Fremy's salt) that he incorrectly identified as a linear tetramer. The second hexol...
    7 KB (625 words) - 04:42, 1 October 2023
  • Thumbnail for Potassium osmate
    purple salt contains osmium in the VI (6+) oxidation state. When dissolved in water a pink solution is formed but when dissolved in methanol, the salt gives...
    4 KB (294 words) - 14:53, 11 July 2024
  • Thumbnail for Palmitic acid
    oil, coconut oil, and milk fat. Palmitic acid was discovered by Edmond Frémy (in 1840) in the saponification of palm oil, which process remains today...
    14 KB (1,265 words) - 22:00, 24 May 2024
  • Thumbnail for Glasswort
    that is, plants that thrive in saline environments, such as seacoasts and salt marshes. The original English glasswort plants belong to the genus Salicornia...
    10 KB (1,241 words) - 12:07, 20 September 2023
  • Thumbnail for Nostoc
    survive stressful conditions such as fluctuating temperatures, drought, salt stress, desiccation, UV radiation, and infection by pathogens. Some species...
    24 KB (1,469 words) - 16:27, 6 December 2023
  • Thumbnail for Potassium ferrate
    Potassium ferrate is the chemical compound with the formula K2FeO4. This purple salt is paramagnetic, and is a rare example of an iron(VI) compound. In most of...
    7 KB (632 words) - 17:07, 22 August 2024
  • Thumbnail for Hexaamminecobalt(III) chloride
    the presence of charcoal catalyst. This salt appears to have been first reported by Fremy. The acetate salt can be prepared by aerobic oxidation of cobalt(II)...
    8 KB (665 words) - 21:00, 6 August 2024
  • Thumbnail for Potassium bifluoride
    commercial use as an etchant as well as in cleaning products. The salt was prepared by Edmond Frémy by treating potassium carbonate or potassium hydroxide with...
    4 KB (237 words) - 00:29, 25 September 2023
  • Thumbnail for Synechococcus
    relatively large (1–1.5 μm) nonmotile obligate photoautotrophs that exhibit low salt tolerance. Reference strains for this cluster are PCC6301 (formerly Anacycstis...
    30 KB (3,294 words) - 05:56, 12 August 2024
  • Thumbnail for Castle of Good Hope
    (Lookout) and Redoubt Duijnhoop (Duneheap) were built at the mouth of the Salt River in 1654.[self-published source?] The purpose of the Dutch settlement...
    17 KB (1,698 words) - 18:44, 21 August 2024
  • Thumbnail for Aix-les-Bains
    d'autrefois à Aix-les-Bains, paru en 1922 et réédité en 2002 Dominique Frémy et Michèle Frémy, Quid : 1995, Paris, R. Laffont Société des Encyclopédies Quid,...
    154 KB (17,249 words) - 22:49, 28 August 2024