Definition of Fehling's solution in English:

Fehling's solution

Line breaks: Feh|ling's so¦lu|tion
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.
    More example sentences
    • 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).

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