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Ascorbic acid analysis by redox titration
11 Pages • Essays / Projects • Year: Pre-2018
Ascorbic acid is a reducing agent and on oxidation forms dehydroascorbic acid. Both these chemicals have Vitamin C activity although often chemists erroneously assay for ascorbic acid only. In this class you will assay for ascorbic acid a beverage product using the oxidizing agent dichlorophenolindophenol (DCPIP). DCPIP is also an acid-base indicator having a pink colour in acid solution and a blue colour in alkaline solution. The reduced form of DCPIP is colourless.
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