biuret(redirected from H2NC(O)NHC(O)NH2)
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a urea derivative; its presence is detected after addition of sodium hydroxide and copper sulfate solutions by a pinkish-violet color (protein test) or a pink and finally a bluish color (urea test).
biuret reaction the reaction in biuret tests.
biuret test either of the tests done with biuret.
A derivative of urea obtained by heating, eliminating one NH3 between two ureas. Used in protein determinations.
biuretA white crystalline substance, which is intermediate between urea and cyanuric acid, and formed by heating urea.
Obtained by eliminating one NH3 between two urea molecules. Used in protein determinations.