fehling's solutions

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