File:Biuret Test 2.jpg

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Biuret_Test_2.jpg ‎(306 × 477 pixels, file size: 64 KB, MIME type: image/jpeg)

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English: A characteristic purple color of biuret test, produced by adding a drop or 2 of copper sulfate solution to biuret in caustic soda solution. Biuret is formed when urea is gently heated where ammonia is also evolved. This color test confirms the presence of a peptide link, -CO-NH-.
Date December 2006-12-11
Source Own work
Author Ozone aurora/Philip Evans
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(Reusing this file)		 Creative Commons Attribution 3.0

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current15:44, 6 April 2010Thumbnail for version as of 15:44, 6 April 2010306 × 477 (64 KB)Ozone aurora (talk | contribs){{Information |Description={{en|1=A characteristic purple color of biuret test, produced by adding a drop or 2 of copper sulfate solution to biuret in caustic soda solution. Biuret is formed when urea is gently heated where ammonia is also evolved. This c

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