A logarithmic function of the \(R_{\text{F}}\) value (@R05353@): \[R_{\text{M}}=\log _{10}(\frac{1\,-\,R_{\text{F}}}{R_{\text{F}}})=\log _{10}(\frac{1}{R_{\text{F}}}\,-\,1)\]
Source: PAC, 1993,
65, 819. (
Nomenclature for chromatography (IUPAC Recommendations 1993)) on page 845 [
Terms] [
Paper]