The ratio of the rate of
adsorption to the rate at which the
adsorptive strikes the total surface, i.e. covered and uncovered. It is usually a function of
surface coverage, of temperature and of the details of the surface structure of the
adsorbent.
Source:
PAC, 1976, 46, 71
(Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix
II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II:
Heterogeneous Catalysis)
on page 78