https://doi.org/10.1351/goldbook.R05352
The fraction of the sample component in the mobile phase at equilibrium; it is related to the retention factor and other fundamental
chromatography
terms: R=1k+1
Source:
PAC, 1993, 65, 819. (Nomenclature for chromatography (IUPAC Recommendations 1993)) on page 843 [Terms] [Paper]