Chromatography (Edexcel GCSE Chemistry): Flashcards

Method to separate mixtures into individual compounds

Identify chemicals in a mixture

Analyte, stationary phase, mobile phase

Mixture of chemicals to be separated

Solid material that stays still during experiment

Liquid or gas that moves through stationary phase

Move slowly, shorter distance

Move quickly, further distance

Chromatography paper

Solvent (like water or alcohol)

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

Always the same