Chromatography

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Description

Chromatography was introduced in the first topic on separating mixtures. In this video, we will look at the method of chromatography in more detail to prepare you for the required practical on chromatography. We will look at how to set up a paper chromatography experiment and explain in more detail how it is used to separate and tell the difference between coloured substances. You will also learn what an Rf value is and how to calculate it.

Key Words

chromatography, Rf value, solvent, required practical, purity

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