mobile adsorption

Also contains definition of: non-localized adsorption
A situation in which molecules of @[email protected] are free to move about the surface. @[email protected] of the @[email protected] will increase with temperature and mobile adsorption may be either localized or non-localized. In localized mobile adsorption the @[email protected] spends most of the time on the adsorption sites but can migrate or be desorbed and readsorbed elsewhere. In non-localized adsorption the @[email protected] is so great that a small fraction of the adsorbed species is on the @[email protected] sites and a large fraction at other positions on the surface.
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 76 [Terms] [Paper]