Difference between revisions of "Chromatogram"
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A [[chromatogram]] is the result of a [[chromatography]] [[experiment]] showing the relative [[distance]]s moved by different [[chemical]]s in a [[sample]]. | A [[chromatogram]] is the result of a [[chromatography]] [[experiment]] showing the relative [[distance]]s moved by different [[chemical]]s in a [[sample]]. | ||
Revision as of 10:48, 23 January 2019
Key Stage 4
Meaning
A chromatogram is the result of a chromatography experiment showing the relative distances moved by different chemicals in a sample.
About Chromatograms
Chromatograms can be used to identify chemicals in an unknown mixture by:
- Comparing the chromatogram of a sample to the chromatograms of known chemicals.
- Calculating the Retention Factor (Rf) of the chemicals in the sample and comparing it to known Rf values.