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When an unknown sample is added to the decolorized Schiff's reagent and an aldehyde is present, a magenta of purple color develops.
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∙ 13y ago
A positive Schiff's test is recognized by a color change from colorless to pink or magenta in the presence of aldehydes, specifically ketoses like fructose. The test relies on the reaction between the aldehyde and the reagent, causing the formation of a colored product.
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