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Chemistry · L3 · Chromatography and Rf Values · flowchart

Chemistry
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Draw a pencil baseline near the bottom of the paperSpot the mixture on the baselineStand the paper in solvent, below the baselineLet the solvent rise up the paperRemove the paper just before the solvent reaches the topImmediately mark the solvent front, then let the paper dryMeasure baseline-to-spot distance for each substanceMeasure baseline-to-solvent-front distanceRf = distance to spot / distance to solvent front

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