单词	Schiff's reagent
释义	Schiff's reagent /ʃɪfs / noun [mass noun] Chemistry An acid solution of fuchsin decolorized by sulphur dioxide or potassium metabisulphite, used in testing for aldehydes (which restore the magenta colour).Root sections were counterstained with periodic acid and Schiff's reagent.... The procedure involved first the oxidation of carbohydrates with periodic acid followed by reaction with the fluorescent Schiff's reagent pararosanilin. Semi-thin sections were incubated first with periodic acid for 8 minutes, rinsed in distilled water and then treated in the dark with Schiff reagent for 15 minutes to reveal carbohydrates. Origin Late 19th century: see Schiff base.
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