Edexcel GCSE Chemistry · 1CH0
Specification 2.9, 2.11 · Paper 1
Revise: Paper ChromatographyPaper chromatography separates those substances because they travel up the paper at different rates when a suitable solvent passes through the spot. This is a physical separation: the substances are not turned into new substances.
- Revise: Core Practical: Composition of Inks
A method of separating soluble substances as a solvent carries them through paper at different speeds.