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单词 Fehling's solution
释义

Definition of Fehling's solution in English:

Fehling's solution

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

    Example sentencesExamples
    • 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.

Origin

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

 
 

Definition of Fehling's solution in US English:

Fehling's solution

(also Fehling's reagent)
nounˈfāliNGz səˌlo͞oSH(ə)n
  • An alkaline solution of copper(II) sulfate and a tartrate, used in a laboratory test for sugars.

    Example sentencesExamples
    • Fructose gives a positive test with Fehling's solution too.
    • 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).

Origin

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

 
 
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更新时间:2024/9/21 8:05:19