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Column Chromatography Questions

-Why is a layer of sand above the alumina in the column in column chromatography?

- What are the differences between column chromatography and thin layer chromatography?

- If a compound had an Rf value of .5 in a particular solvent, how many column lengths of that solvent would it theoretically require for the compound to travel through the column.

-Explain why or why not NaCl can be purified by column chromatography.

Solution Summary

Aspects of column chromatography and thin layer chromatography are discussed.