Draw a line in pencil 1cm above the bottom of the filter paper being used.
Cut leaf and place in a mortar. Add 20 drops of acetone with the pestle to grind up the leaf and release the pigments.
blot pigment onto pencil line
Suspend the paper in the solvent so that the liquid does not lie above the pencil and leave paper until the solvent has run up the paper.
Remove paper from the solvent and draw a pencil line marking where the solvent moved up to. The pigment should have separated out and should be different spots on paper at different heights above the pencil line
