| 释义 |
Biuret
Bi´u`ret
| n. | 1. | (Chem.) A white, crystalline, nitrogenous substance, C2O2N3H5, formed by heating urea. It is intermediate between urea and cyanuric acid. |
biuret
biuret[‚bī·ya′ret] (organic chemistry) NH2CONHCONH2 Colorless needles that are soluble in hot water and decompose at 190°C; a condensation product of urea. biuret
biuret [bi´u-ret] 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.bi·u·ret (bī-yū-ret'), A derivative of urea obtained by heating, eliminating one NH3 between two ureas. Used in protein determinations. Synonym(s): carbamoylureabiuret A white crystalline substance, which is intermediate between urea and cyanuric acid, and formed by heating urea.bi·u·ret (bī'yŭr-et') Obtained by eliminating one NH3 between two urea molecules. Used in protein determinations.
Synonym(s): carbamoylurea. |