Chromatography (Edexcel GCSE Chemistry Combined Science): Flashcards

A method used to separate mixtures into individual compounds

To identify chemicals in a mixture

Mixture of chemicals to be separated

Solid material that stays still during experiment

Liquid or gas that moves through stationary phase

Move slowly and travel shorter distance

Move quickly and travel further

Chromatography paper

Solvent (e.g., water or alcohol)

$Rf = \frac{\text{Chemical distance}}{\text{Solvent distance}}$

Always the same under same conditions, used to identify chemicals