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*Comparing the [[chromatogram]] of a [[sample]] to the [[chromatogram]]s of known [[chemical]]s.
*Calculating the [[Retention Factor|Retention Factor (R<sub>f</sub>)]] of the [[chemical]]s in the [[sample]] and comparing it to known [[Retention Factor|R<sub>f</sub>]] values.
===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/0198359381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359381&linkCode=as2&tag=nrjc-21&linkId=47c8d1ae58d8b3a5e2094cd447154558 ''Chromatograms, pages 182-183, GCSE Chemistry; Third Edition, Oxford University Press, AQA '']