Criteria of Purity
- Created by: kpaul325
- Created on: 26-02-18 06:59
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Paper Chromatography
Using the Rf values.
- Is used to separate two or more soluble solids
- Place a spot of ink onto the piece of chromatography paper
- Place the paper in the solvent
- As the slovent moves up the paper the dyes are carried with it and begin to separate.
- They separate because the substances have different solubilities.
- Rf values…
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