what is retention factor
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In chromatography, the retardation factor is the fraction of an analyte in the mobile phase of a chromatographic system. In planar chromatography in particular, the retardation factor Rf is defined as the ratio of the distance traveled by the center of a spot to the distance traveled by the solvent front.
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Retardation factor
- The retention factor of a particular material is the ratio of the distance the spot moved above the origin to the distance the solvent front moved above the origin. It can be calculated using the formula:-Retention factors are useful in comparing the results of one chromatogram to the results of another.
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