partition isotherm

in chromatography
https://doi.org/10.1351/goldbook.PT06933
Isotherm describing @P04435@ of the sample component between the bulk of a liquid @S05949@ and a liquid, gaseous or supercritical mobile phase.
Source:
PAC, 1996, 68, 1591. (Nomenclature for non-linear chromatography (IUPAC Recommendations 1996)) on page 1592 [Terms] [Paper]