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biuret

[bahy-yuh-ret, bahy-yuh-ret] /ˌbaɪ yəˈrɛt, ˈbaɪ yəˌrɛt/
noun, Chemistry.
1.
a white crystalline substance, C 2 H 5 O 2 N 3 ⋅H 2 O, 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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for biuret
Historical Examples
  • 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
  • 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
  • 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
  • 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
biuret in Medicine

biuret bi·u·ret (bī'yə-rět', bī'yə-rět')
n.
A derivative of urea obtained by heating. Also called carbamylurea.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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