Aim: To separate colours by using the process of chromatography.
Definition: chromatography is a method of separating out materials from mixture using liquid
Materials:
1. Boliing tube
2. Pen
3. Water
4. Filter paper
5. Scissors
6. Test tube stand
7. Ruler
8. Pencil
Process
1. Cut up the filter paper into strips
2. Rule a like 1cm from the bottom of the paper strip
3. Put 8ml of water into the bottom of the boiling tube
4. Draw two coloured pen dots on the pencil line.
5. Drop the paper strip into the boiling tube and once it is touching the water at the bottom you can cress the top of the paper over. ,
6. Watch, take 2 photos and observe the chromatography process on your paper
Definitions:
Capillary Action:
Filter paper:
Solvent:
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