Fehling's solution


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cupric

 [ku´prik]
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.

Fehling's solution

(fā′lĭngz)
n.
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.

Fehling's solution

A solution of copper sulphate, sodium hydroxide and sodium potassium tartrate once widely used to test urine for the presence of sugar. Nowadays, urine is usually tested with colour change dip sticks. (Hermann Christian von Fehling, 1812–85, German chemist).
References in periodicals archive ?
About 10 ml of Fehling's solution was pipetted out in a 250 ml conical flask and enough quantity of water was added to it.
Each filtrate was heated with 5 ml of equal volume of Fehling's solution A and B in a test tube.
To these, few drops of Fehling's solution was added and then heated on water bath for 2 minutes.
After hydrolysis, the presence of carbohydrates in the hydrolyzed samples was investigated by different biochemical tests including Molisch Test, Iodine Test, Benedict's Test, Tollen Test, Barfoed's Test, Fehling's solution Test, Osazone Test, Seliwanoff's Test and Bial's Test.
A number of biochemical tests including Fehling's Solution Test, Benedict's test [23], Combur Test [11], Molisch Test, Iodine Test [24], Tollen Test, Barfoed's Test, Osazone Test and Seliwanoff's Test were performed by using the reported methods (Fig.
The filtrate was boiled with drops of Fehling's solutions A and B for 3 min.