Purpose
Principle
Equipment
Procedure: Step 1
Procedure: Step 2
Procedure: Step 3
Procedure: Step 4
Procedure: Step 5
Procedure: Step 6
Procedure: Step 7
Examination: Step 1
Examination: Step 2
Calculation of results
Interpretation of results

Stir the contents of the beaker thoroughly with a fork, tongue depressor or spatula.