Chemistry GCSE
Chromatography
What Chromatography means in Chemistry GCSE, as defined for AQA.
Definitions of Chromatography
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Reference: AQA
A separation technique in which a mixture is carried by a mobile phase through a stationary phase, and substances separate because they move at different rates.
Separating dissolved substances using a stationary phase and a mobile solvent, where components travel different distances.
Separates dissolved substances by how far they travel up a stationary phase in a solvent.
Topics that use Chromatography
- Chromatography (AQA GCSE)
- Mixtures (AQA GCSE)
Related terms
- Chemical versus physical properties
- Conservation of chemical identity in mixtures
- Contrast between mixtures and compounds
- Crystallisation
- Distribution between phases
- Evidence for no new substance
- Evidence from characteristic reactions and tests
- Filtration
Using Chromatography in the exam
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