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12 cards from this deck
Separates & identifies coloured chemicals in mixtures
2 cm
Ink would dissolve in the solvent
About 1 cm deep
Just above solvent (must not touch it)
When solvent front is 1 cm from top of paper
The solvent front line
Centre of each spot
Rf=Distance of spotDistance of solvent frontRf = \frac{\text{Distance of spot}}{\text{Distance of solvent front}}Rf=Distance of solvent frontDistance of spot
Different chemicals in the ink
Black ink
Original ink drop & separated ink spots
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