Experiment 9 “proteins” and the purpose of the lab is to become familiar with some reactions of proteins and some of the tests used to detect proteins. The activities for this experiment includes the following: selected reactions of proteins will be carried out, several tests for proteins will be performed including: biuret test, xanthoproteic test, and millon test. This lab is broken down into two sections: precipitation (coagulation) of egg albumin and color tests for proteins. For the first part, you must observe egg albumin solution before heating and what happen to the solution after heating. Second part, first placed 3 ml of egg albumin solution in a test tube and carefully add 20 drops of concentrated nitric acid, while holding the test
