Aim-To separate the different pigments from ink using chromatography
hypothesis- I think that the pen line will go up and take out the pigments, the colors we might see are orange blue and black. (depended on the pen
1- Draw a line across the filter paper in pencil, 5cm from the bottom.
2- Draw a coloured dot in the centre of the line.
3- Measure out 10mL of water and place in the test tube.
4- Place the filter paper in the test tube and fold over the side. MAKE SURE THE PENCIL LINE/ DOT IS NOT IN THE WATER.
5- Wait for 5 minutes and observe the results
EQUIPMENT- Felt tip pen, filter paper strips, test tube, measuring cylinder, pencil.
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