Sunday 13 October 2013

The biuret test for proteins.

Place your sample in a test tube;
add an equal amount of sodium hydroxide;
add a few drops of dilute copper sulphate;
if it goes purple there are peptide bonds, if it is blue there are no peptide bonds.

http://www.youtube.com/watch?v=ufec89A47uM

No comments:

Post a Comment