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  2. Benedict's reagent - Wikipedia

    en.wikipedia.org/wiki/Benedict's_reagent

    Benedict's reagent (often called Benedict's qualitative solution or Benedict's solution) is a chemical reagent and complex mixture of sodium carbonate, sodium citrate, and copper(II) sulfate pentahydrate. [1] It is often used in place of Fehling's solution to detect the presence of reducing sugars and other reducing substances. [2]

  3. 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 ...

  4. International Commission for Uniform Methods of Sugar Analysis

    en.wikipedia.org/wiki/International_Commission...

    The International Commission for Uniform Methods of Sugar Analysis (ICUMSA) is an international standards body, founded in 1897, [1] [2] that publishes detailed laboratory procedures for the analysis of sugar. The ICUMSA Methods Book [3] contains detailed instructions for analyzing raw, cane, white, beet, molasses, plantation white and ...

  5. Ketose - Wikipedia

    en.wikipedia.org/wiki/Ketose

    All monosaccharide ketoses are reducing sugars, because they can tautomerize into aldoses via an enediol intermediate, and the resulting aldehyde group can be oxidised, for example in the Tollens' test or Benedict's test. [3] Ketoses that are bound into glycosides, for example in the case of the fructose moiety of sucrose, are nonreducing ...

  6. Universal Electronic Test Chart - Wikipedia

    en.wikipedia.org/.../Universal_Electronic_Test_Chart

    Recreation of the UEIT-2 test card ТИТ-0249, monochrome predecessor of the UEIT test card UEIT - Universal Electronic Test Chart ( russian : УЭИТ - Универсальная электронная испытательная таблица ) is a Soviet / Russian test card , designed to test TVs operating in the analogue SECAM colour ...

  7. Oxidative/fermentation glucose test - Wikipedia

    en.wikipedia.org/.../fermentation_glucose_test

    To perform the OF-glucose test, two tubes of OF-glucose medium are inoculated with the test organism. A layer of mineral oil is added to the top of the deep in one of the tubes to create anaerobic conditions. Oil is not added to the other tube to allow for aerobic conditions. The tubes are then incubated for 24–48 hours.

  8. The transformation of Benedict College football exemplifies ...

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  9. Philips circle pattern - Wikipedia

    en.wikipedia.org/wiki/Philips_circle_pattern

    The content and layout of the original colour circle pattern was designed by Danish engineer Finn Hendil (1939–2011) [1] in the Philips TV & Test Equipment laboratory in Amager (moved to Brøndby Municipality in 1989) near Copenhagen under supervision of chief engineer Erik Helmer Nielsen in 1966–67, largely building on their previous work ...