Fehling's solution(redirected from Fehling reagent)
Also found in: Dictionary, Thesaurus, Encyclopedia.
pertaining to or containing divalent copper.
cupric sulfate a crystalline salt of copper used as an emetic, astringent, and fungicide, as an oral antidote to phosphorus poisoning, as a topical treatment of cutaneous phosphorus burns, and as a catalyst in iron deficiency anemia.
An aqueous solution of copper sulfate, sodium hydroxide, and potassium sodium tartrate used to test for the presence of sugars and aldehydes in a substance, such as urine.