To separate the different pigments in inks and dyes using paper chromatography.
Equipment:
- Ink from marker pens, food colouring or ballpoint pens
- 250mL beaker
- A strip of filter paper
- Scissors
- Water
- Pencil
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| 1. Cut your filter paper into a thick strip. |
Get all your equipment ready.
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| 2. Draw a ling about one finger from the bottom. |
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| 3. Draw one or two dots on top of the line. |
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| 4. Add a little bit of water and make sure it doesn't touch the dots. |
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