单词	Fehling's solution
释义	Fehling's solution noun Feh·​ling's solution ˈfā-liŋ(z)-  : a blue solution of Rochelle salt and copper sulfate used as an oxidizing agent in a test for sugars and aldehydes Word History Etymology Hermann Fehling †1885 German chemist First Known Use 1873, in the meaning defined above Medical Definition Fehling's solution noun Feh·​ling's solution ˈfā-liŋ(z)-  variants or Fehling solution -liŋ-  : a blue solution of Rochelle salt and copper sulfate used as an oxidizing agent in a test for sugars and aldehydes in which the precipitation of a red oxide of copper indicates a positive result
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