Fehling's test: Fehling's test is a specific test for reducing sugar. PRINCIPLE: The principle of fehling test is same to that of benedict's test. In the presence of reducing sugar, cuso4 gives cupric ion in an alkaline medium which reduces to cuprous ion. REAGENTS: Fehling’s A reagent: Solution A Copper sulfate solution (Cuso4) Fehling’s B reagent: Sodium-potassium … [Read more...]
Archives for November 2016
Benedict’s test for reducing sugar
Benedict's test for reducing sugar: Benedict's test for reducing sugar is a particular test for reducing substances.This test can be: used as a rough quantitative test for the clinical evaluation. PRINCIPLE: In the presence of reducing sugar, cuso4 gives cupric ion in an alkaline medium which is reduced to cuprous ion cu+2 to form cuprous oxide cuo2, and different coloured … [Read more...]