Paper Chromatography 2

Test yourself on Paper Chromatography 2

• What can we conclude if a reference substance's Rf value matches a spot's Rf value in every solvent tested?

• Which of these statements about chromatography are correct?

• What do scientists calculate from a chromatogram to identify compounds in a mixture?

• What 2 distances are important when calculating Rf values in chromatography?

• In a chromatogram, the solvent front travels 10 cm, reference A travels 3 cm and spot 1 of a tested substance also travels 3 cm. What can you conclude?