Aim: 

To separate the different pigments in inks using paper chromatography.

Equipment:

Ink pens, small beaker, strip of filter paper, ice-block stick, tape, chromatography solution.

Method:

1. Cut a piece of filter paper long enough to reach the bottom of your test tube.
2. Rule a line in pencil 2cm from bottom of paper.
3. Fill test tube with 1cm of chromatography solution.
4. Place a dot of ink above the ruled line.
5. Tape paper to stick and place in solution.
6. Wait and observe.
7. Repeat with 2 other colours.

Results: