释义 |
feh·ling solution \ˈfāliŋ-\ noun or fehling's solution \-ŋz-\ Usage: usually capitalized F Etymology: after Hermann Fehling died 1885 German chemist : a blue solution that is made by mixing an alkaline solution of Rochelle salt with a solution of copper sulfate and that is used as a mild oxidizing agent especially in testing for glucose and other reducing sugars and for aldehydes, being itself reduced to red cuprous oxide which precipitates |