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  • Created by: Jasmin
  • Created on: 13-01-14 21:15
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  • Biuret test for proteins
    • Detects peptide links
    • 1. Test solution needs to be alkaline so add NaOH solution - equal amount as solution in test tube
      • 2. Add copper ll sulphate solution in test tube
        • Solution turns purple indicates the presence of peptide bonds - protein POSITIVE
        • No protein solution stays blue NEGATIVE


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