- Fehling's solution
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an alkaline solution of copper sulphate which changes from blue to red in the presence of an aldehyde or a reducing sugar
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Fehling's solution
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Fehling's solution — is a solution used to differentiate between water soluble aldehyde and ketone functional groups, although ketose monosaccharides (such as fructose) will also test positive, due to conversion to aldoses by the base in the reagent [ [http://www.uni … Wikipedia
Fehling's solution — Solution So*lu tion (s[ o]*l[=u] sh[u^]n), n. [OE. solucion, OF. solucion, F. solution, fr. L. solutio, fr. solvere, solutum, to loosen, dissolve. See {Solve}.] 1. The act of separating the parts of any body, or the condition of undergoing a… … The Collaborative International Dictionary of English
Fehling's solution — [fā′liŋz] n. 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 * * * … Universalium
Fehling's solution — [fā′liŋz] n. 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 … English World dictionary
Fehling's solution — Feh·ling s solution fā liŋ(z) or Feh·ling solution liŋ n 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… … Medical dictionary
Fehling's solution — noun Etymology: Hermann Fehling died 1885 German chemist Date: 1873 a blue solution of Rochelle salt and copper sulfate used as an oxidizing agent in a test for sugars and aldehydes … New Collegiate Dictionary
Fehling's solution — n. aqueous alkaline solution used to test for the presence of sugars and aldehydes in a substance (named after its developer: Hermann von Fehling) … English contemporary dictionary
Fehling's solution — /ˌfeɪlɪŋz səˈluʃən / (say .faylingz suh loohshuhn) noun a solution of copper sulphate and Rochelle salt in alkali, which is used for the detection and quantitative estimation of sugars and other reducing agents. {named after Hermann Fehling,… …
Fehling's solution — noun a liquid solution of copper sulfate and potassium tartrate and sodium hydroxide that is used to test for sugar in the urine; solution turns reddish when sugar is present • Hypernyms: ↑solution … Useful english dictionary
Fehling — Feh ling, n. (Chem.) See {Fehling s solution}, under {Solution}. [1913 Webster] … The Collaborative International Dictionary of English
