biuret

[ bahy-yuh-ret, bahy-yuh-ret ]
/ ˌbaɪ yəˈrɛt, ˈbaɪ yəˌrɛt /

noun Chemistry.

a white crystalline substance, C2H5O2N3⋅H2O, soluble in water and alcohol, used for the identification of urea, from which it is formed on heating.
Also called allophanamide, carbamylurea.

Origin of biuret

< German Biuret (1847); see bi-1, urea, -uret

Words nearby biuret

bituminous, bituminous coal, bitzer, biunique, biuniqueness, biuret, biuret reaction, bivalence, bivalent, bivalent chromosome, bivalve

Example sentences from the Web for biuret

  • The absence of a biuret reaction would point in that direction and the question must await further study.

    The Nature of Animal Light |E. Newton Harvey

  • Amongst these is the biuret reaction: a pink colour obtained by adding a trace of copper sulphate and an excess of caustic soda.

    Animal Proteins |Hugh Garner Bennett

  • On now testing a portion of the clear filtrate for peptone by the biuret test, not a trace of a reaction could be obtained.

    On Digestive Proteolysis |R. H. Chittenden

  • Inasmuch as most natural proteins contain several such groups, the biuret reaction is a very general test for proteins.

    The Chemistry of Plant Life |Roscoe Wilfred Thatcher

Medical definitions for biuret

biuret
[ bī′yə-rĕt′, bī′yə-rĕt′ ]

n.

A derivative of urea obtained by heating. carbamylurea