Step 1 , Use chromatography paper and draw baseline in pencil as pencil will not dissolve in solvent , Step 2 , add food colouring to baseline using a dropper, Step 3 , place the paper in a beaker of solvent ensuring the solvent is not above the pencil line, Step 4 , to ensure the food colouring/dye will not dissolve in the solvent , Step 5 , Allow the solvent to travel up the paper and food colouring/dye to separate, Step 6 , Take the paper out before the solvent reaches the top and mark the solvent front.

Leaderboard

Visual style

Options

Switch template

Continue editing: ?