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10 cards from this deck
Separates & identifies coloured chemicals in mixtures
2 cm from short edge
Ink would dissolve in the solvent
About 1 cm deep
Just above solvent surface, not touching it
When solvent front about 1 cm from top
Where the solvent stopped moving
From centre of each spot
Rf=spot dist.solvent dist.Rf = \frac{\text{spot dist.}}{\text{solvent dist.}}Rf=solvent dist.spot dist.
Identifies chemicals by how far they moved vs solvent
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