States of matter - paper chromatography

• Paper chromatography

  1. Separation of mixtures of soluble substances

  2. Running a solvent (mobile phase) through the mixture on the paper (stationary phase)

  3. Substances move at different rates over the paper
• Pure substance

  A single substance with a fixed composition that does not have anything else mixed with it
• Mixture

  A substance containing two or more different substances that are not chemically joined together