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  2. Barfoed's test - Wikipedia

    en.wikipedia.org/wiki/Barfoed's_test

    Barfoed's test is a chemical test used for detecting the presence of monosaccharides. It is based on the reduction of copper(II) acetate to copper(I) oxide (Cu 2 O), which forms a brick-red precipitate.

  3. Christen Thomsen Barfoed - Wikipedia

    en.wikipedia.org/wiki/Christen_Thomsen_Barfoed

    Christen Thomsen Barfoed. Christen Thomsen Barfoed (16 June 1815 – 30 April 1889) was a Danish chemist credited with the development of a method to detect monosaccharide sugars in a solution, now known as the Barfoed's test. [1] [2] Barfoed is also credited with having introduced systematic chemical analyses in Danish agricultural sciences. [3]

  4. Chemical test - Wikipedia

    en.wikipedia.org/wiki/Chemical_test

    In chemistry, a chemical test is a qualitative or quantitative procedure designed to identify, ... Barfoed's test tests for reducing polysacchorides or disaccharides;

  5. List of organic reactions - Wikipedia

    en.wikipedia.org/wiki/List_of_organic_reactions

    Barfoed's test; Bargellini reaction; Bartoli indole synthesis, Bartoli reaction [19] [20] [21] Barton decarboxylation; Barton reaction [22] [23] Barton–Kellogg reaction; Barton–McCombie reaction, Barton deoxygenation; Barton-Zard Synthesis; Barton vinyl iodine procedure; Baudisch reaction; Bayer test; Baylis–Hillman reaction; Bechamp ...

  6. Bradford protein assay - Wikipedia

    en.wikipedia.org/wiki/Bradford_protein_assay

    It is done in one step where the Bradford reagent is added to a test tube along with the sample. After mixing well, the mixture almost immediately changes to a blue color. When the dye binds to the proteins through a process that takes about 2 minutes, a change in the absorption maximum of the dye from 465 nm to 595 nm in acidic solutions ...

  7. List of reagent testing color charts - Wikipedia

    en.wikipedia.org/wiki/List_of_reagent_testing...

    Reagent test Alcohols: Forms Lucas test in alcohols is a test to differentiate between primary, secondary, and tertiary alcohols. Alkaloids: Forms Froehde Liebermann Mandelin Marquis Mayer's Mecke Simon's: Amines, and amino acids: Forms Folin's: Barbiturates: Class Dille–Koppanyi Zwikker: Benzodiazepines: Class Zimmermann: Phytocannabinoids ...

  8. Seliwanoff's test - Wikipedia

    en.wikipedia.org/wiki/Seliwanoff's_test

    An example of a positive Seliwanoff’s test. Seliwanoff’s test is a chemical test which distinguishes between aldose and ketose sugars. If the sugar contains a ketone group, it is a ketose. If a sugar contains an aldehyde group, it is an aldose. This test relies on the principle that, when heated, ketoses are more rapidly dehydrated than ...

  9. Schiff test - Wikipedia

    en.wikipedia.org/wiki/Schiff_test

    The Schiff test is an early organic chemistry named reaction developed by Hugo Schiff, [1] and is a relatively general chemical test for detection of ... Barfoed's test;