Definition von fehling's solution im Englisch Englisch wörterbuch
an alkaline solution of copper sulphate which changes from blue to red in the presence of an aldehyde or a reducing sugar
{i} aqueous alkaline solution used to test for the presence of sugars and aldehydes in a substance (named after its developer: Hermann von Fehling)
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