The function relating, at constant temperature and pressure, the amount of a particular
component in the
interfacial layer
per unit area (or per unit mass of
adsorbent ) with its
mole fraction (or concentration) in the liquid phase. This function can be evaluated only when
the location and the thickness of the
interfacial layer have been defined.
Source:
PAC, 1972, 31, 577
(Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix
II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry)
on page 594