chemical which will test for protein
Protein Tests: Biuret Test. Students are told this is a general test for proteins, not amino acids, and that a similar color is formed with all proteins. They are to put 10 drops of water, a 2% amino acid mixture (e.g. Difco's Casamino Acids), 2% egg albumin, or 2% gelatin in four separate tubes and add 5 drops of 3 M NaOH to each.