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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:44, 6 April 2010 | 306 × 477 (64 KB) | commons>Ozone aurora | {{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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