Meaning of Fehling's solution in English:

Fehling's solution

Pronunciation /ˈfeɪlɪŋz/


(also Fehling's reagent)
mass noun
  • An alkaline solution of copper(II) sulphate and a tartrate, used in a laboratory test for sugars.

    ‘Some are remembered by association with useful substances, like Fehling's solution, or Glauber's salt.’
    • ‘The galactomannan was obtained from the alkali-soluble fraction by selective precipitation (Fehling's reagent).’
    • ‘Fructose gives a positive test with Fehling's solution too.’


Late 19th century named after the German chemist Hermann von Fehling (1812–85).