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Chromatography

Chromatography is a process where you can separate a mixture.

Chromatography can be used to separate the different dyes in an ink. The equipment you would need to do this experiment  is:

  • Chromatography paper 

  • Ink

  • Pencil 

To carry out the experiment you do the following:

  1. Draw a straight line across the paper.

  2. Put a spot of ink on the pencil line.

  3. Pour a small amount of solvent in a beaker so it makes a shallow layer.

  4. Put the paper in the solvent and hang it in there for some time. Make sure that the ink is not submerged in the solvent.