Fehling's solutionFeh·ling's solution
a blue solution of copper sulfate, Rochelle salt, and sodium hydroxide, used to test for the presence of a sugar, aldehyde, etc.
also called Fehling's reagent
Origin of Fehling's solutionafter H. von Fehling (1811-85), German chemist
An aqueous solution of copper sulfate, sodium hydroxide, and potassium sodium tartrate used to test for the presence of sugars and aldehydes in a substance, such as urine.
Origin of Fehling's solutionAfter Hermann von Fehling (1812-1885), German chemist
(plural Fehling's solutions)
- (chemistry) an alkaline solution of copper sulphate which changes from blue to red in the presence of an aldehyde or a reducing sugar
From Hermann von Fehling, German chemist.