2.5K views · 84 reactions | Salting Out Density Column Experiment (Chemistry) Using water, isopropyl rubbing alcohol, oil, salt, and food coloring you can create a three-layer density column that can be mixed and will repeatedly separate into three distinct layers. One key to this experiment is a process called salting out and it is basically using salt to outcompete for the intermolecular attractions of water. | ChemClub | Facebook