Chromatography (AQA GCSE Chemistry): Flashcards

Separates mixtures into individual compounds

Identifies chemicals in a mixture

Analyte, stationary phase, mobile phase

The mixture of chemicals to be separated

Solid material that stays still during experiment

Liquid or gas that moves through stationary phase

Slowly and travel a shorter distance

Quickly and travel further

Chromatography paper

Solvent (e.g. water or alcohol)

$R_f = \frac{\text{chemical distance}}{\text{solvent distance}}$

Always the same for a specific chemical