Benedict's Test For Sugars
by Andrew Lambert Photography/science Photo Library
Title
Benedict's Test For Sugars
Artist
Andrew Lambert Photography/science Photo Library
Medium
Photograph - Photograph
Description
Benedict's test for sugars. Benedict's reagent is a solution of copper (II) sulphate (CuSO4), tartaric acid and sodium hydroxide. It is used to detect sugars, giving the orange colour seen here. This is a precipitate that forms in the presence of some sugars as the copper sulphate is reduced to insoluble orange copper (I) oxide. Not all sugars give the positive result: sucrose, for instance, does not.
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September 20th, 2018
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