3) Set up a TLC chamber as shown in Figure 4. Put a piece of filter paper in TLC chamber. Place
a small amount (3-5 ml) of ethyl acetate as developing solvent in this chamber. The liquid should
cover the bottom of the chambe but the surface should be below the pencil line when the plate is
placed in the chamber (that is, less than 1 cm in depth). The filter paper lining is used to saturate the
atmosphere within the chamber with solvent fumes.