• Thumbnail for Tollens' reagent
    named after its discoverer, the German chemist Bernhard Tollens. A positive test with Tollens' reagent is indicated by the precipitation of elemental silver...
    9 KB (1,093 words) - 20:05, 13 October 2024
  • Thumbnail for Reagent
    Examples include Fehling's reagent, Millon's reagent, and Tollens' reagent. In commercial or laboratory preparations, reagent-grade designates chemical...
    7 KB (752 words) - 21:49, 29 February 2024
  • German chemist, discoverer of the Tollens' reagent Hendrik Tollens (1780–1856), Dutch poet Henricus Jacobus Tollens (1864–1936), Dutch painter and photographer...
    550 bytes (79 words) - 13:38, 21 April 2024
  • Thumbnail for Fehling's solution
    for reducing sugars and non-reducing sugars, supplementary to the Tollens' reagent test. The test was developed by German chemist Hermann von Fehling...
    7 KB (818 words) - 03:38, 13 October 2024
  • H2O. Dextrose equivalent Other oxidizing reagents Fehling's solution Tollens' reagent Other reducing reagents Jones reductor Walden reductor Robert D....
    8 KB (904 words) - 06:55, 15 October 2024
  • This is a list of inorganic and organic reagents commonly used in chemistry. Reagents are "substances or compounds that are added to a system in order...
    15 KB (264 words) - 18:51, 14 August 2022
  • Thumbnail for Ketone
    may be distinguished from aldehydes by giving a negative result with Tollens' reagent or with Fehling's solution. Methyl ketones give positive results for...
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  • solution can dissolve silver oxide residues, such as those formed from Tollens' reagent. It is often found in solutions used to clean gold, silver, and platinum...
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  • artificial uncoupler of the electron transport chain (ETC). Tollens' reagent Fehling's reagent Schiff test Allen, C. F. H. (1933). "2,4-Dinitrophenylhydrazine"...
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  • Thumbnail for Bernhard Tollens
    Bernhard Christian Gottfried Tollens (30 July 1841 – 31 January 1918) was a German chemist. Tollens attended school at the Gelehrtenschule des Johanneums...
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  • or plane The "silver mirror", created in chemical tests involving Tollens' reagent Current mirror, an electric circuit designed to copy a current through...
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  • fulminate anion) silver azide, AgN3 a mixture, a decomposition product of Tollens' reagent silver nitride, Ag3N - one of the earliest silver based explosives...
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  • apply a thin layer of silver to objects such as glass, is to place Tollens' reagent in a glass, add glucose/dextrose, and shake the bottle to promote the...
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  • Thumbnail for Schiff test
    Schiff test (redirect from Schiff's reagent)
    chromogenic product. Tollens' reagent Fehling's reagent 2,4-Dinitrophenylhydrazine Fehling's solution Barfoed's test Benedict's reagent See: Schiff, Hugo...
    10 KB (1,272 words) - 14:26, 20 September 2024
  • Thumbnail for Aldehyde
    the silver-mirror test. In this test, an aldehyde is treated with Tollens' reagent, which is prepared by adding a drop of sodium hydroxide solution into...
    30 KB (3,075 words) - 03:27, 5 November 2024
  • Thumbnail for Bromopyrogallol red
    acids, chlorine bleaches, pool chlorine etc. Benedict's reagent Tollens' reagent Lucas' reagent Drug checking "spiro(3h-2,1-benzoxathiole-3,9'-(9h)xanthene)-3'...
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  • Thumbnail for Silver oxide
    products. It is soluble in ammonia solution, producing active compound of Tollens' reagent. A slurry of Ag2O is readily attacked by acids: Ag 2 O + 2 HX ⟶ 2 AgX...
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  • Thumbnail for Metal ammine complex
    dissolves in aqueous ammonia. The same complex is the active ingredient in Tollens' reagent. Gold(I) chloride reacts with ammonia to form [Au(NH3)2]+. Since ammonia...
    16 KB (1,787 words) - 12:15, 19 July 2024
  • Tischtschenko reaction Tishchenko reaction, Tishchenko–Claisen reaction Tollens reagent Transfer hydrogenation Trapp mixture Transesterification Traube purine...
    37 KB (3,419 words) - 11:08, 19 October 2024
  • Thumbnail for Silver fulminate
    may also refer to the nitride or azide, the decomposition product of Tollen's reagent, or an alchemical mixture, which does not contain the fulminate anion...
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  • for skin absorption. Aniline acetate test Bial's test Molisch's test Tollens' reagent NIOSH Pocket Guide to Chemical Hazards. "#0297". National Institute...
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  • Thumbnail for Reducing sugar
    detected with the addition of Tollen's reagent, which consist of silver ions (Ag+) in aqueous ammonia. When Tollen's reagent is added to an aldehyde, it...
    14 KB (1,694 words) - 13:18, 24 October 2024
  • the reduced atoms. For example, in the reaction of acetaldehyde with Tollens' reagent to form acetic acid (shown below), the carbonyl carbon atom changes...
    47 KB (8,698 words) - 02:26, 27 October 2024
  • Stryker's reagent (Cu6H6(PPh3)6) Swart's reagent (SbF3) Tebbe's reagent (Cp2TiCl(CH2)AlMe2) Tollens' reagent ([Ag(NH3)2]+) Trinder reagent (10% FeCl3(aq))...
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  • reducing the Tollensreagent, while the non-reducing end is the monosaccharide residue in acetal form, thus incapable of reducing the Tollensreagent. The reducing...
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  • Thumbnail for Silvering
    chemist Tony Petitjean (1856). This reaction is a variation of the Tollens' reagent for aldehydes. A diamminesilver(I) solution is mixed with a sugar and...
    13 KB (1,245 words) - 11:03, 22 October 2024
  • Thumbnail for Electroless deposition
    elementary electroless deposition process is Tollens' reaction which is often used in scientific demonstrations. Tollens' reaction deposits a uniform metallic...
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  • Thumbnail for Chemical test
    can be oxidized to methyl ketones The Schiff test detects aldehydes Tollens' reagent tests for aldehydes (known as the silver mirror test) The Zeisel determination...
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  • Thumbnail for Silver carbonate
    ([Ag(NH3)2]+) complex ion. Like other diamminesilver(I) solutions, including Tollen's reagent, there is a possibility that explosive Silver nitride may precipitate...
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  • Thumbnail for List of German inventions and discoveries
    commercial product (Plexiglas) by Otto Röhm in 1933 1882: Tollens' reagent by Bernhard Tollens 1883: Claus process by Carl Friedrich Claus 1884: Paal–Knorr...
    230 KB (19,850 words) - 02:48, 27 August 2024