1. Camphor Test: For Degreasing
Camphor crystal put in the final rinse water rotates in all directions and it does not stick to beaker wall means the degreasing is successful. If crystal moves toward the beaker wall and stays immobile means the degreasing incomplete.
2. Water-Break Test: For Degreasing
It is a test for the presence of hydrophobic contaminants on a cleaned surface that can be dipped or rinsed in water and should be made with distilled water. If the surface is clean, the water will break and spread across the surface in a sheet-like manner and no beading action that means the degreasing is successful. A contaminated surface will cause the water to form droplets and “bead”