Essential Chemistry for IGCSE - Particles And Purification (Section 3 - No. 19)
What does the solvent do in the paper chromatography?
Reacts with the sample
Provides a stationary phase.
Carries the sample through the paper.
Is absorbed by the sample
Explanation
The solvent acts as a mobile phase, carrying the different components of the sample up the paper based on their affinity to the stationary phase and solubility in the solvent.
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