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biuret

[ bahy-yuh-ret, bahy-yuh-ret ]
/ ˌbaɪ yəˈrɛt, ˈbaɪ yəˌrɛt /
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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.
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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, bivalence, bivalent, bivalve, bivane, bivariate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use biuret in a sentence

  • 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

  • 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

  • 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
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