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3.2.3 Paper chromatography and Rf values
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How paper chromatography works

How paper chromatography works

Paper chromatography setup showing solvent below the pencil baseline, rising solvent, separated spots, spot centre at 3.0 cm, and solvent front at 6.0 cm In paper chromatography, the paper is the stationary phase because it stays in place. The solvent is the mobile phase because it moves through the paper and carries dissolved substances.

3.2.3 Paper chromatography and Rf values Lesson

  1. GCSE
  2. /Chemistry
  3. /3.2.3 Paper chromatography and Rf values

Step-by-step lessons on Edexcel GCSE Chemistry 3.2.3 Paper chromatography and Rf values. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons