Particles and Purification - paper chromatography

3 important questions on Particles and Purification - paper chromatography

What are locating agents used for

Locating agents are used to make colourless compounds visible on a chromatogram

How can compounds on a chromatogram be identified

Compounds can be identified by there Rf value

How do you calculate the Rf value

Distance from base line to centre of the spot divided by distance from baseline to solvent front

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