Multiphase ideal adsorbed solution theory

Ideal adsorbed solution Activity coefficient / = 1 Ideal adsorbed solution theory (lAST) Multiphase ideal adsorbed solution theory (MIAST) Heterogeneous ideal adsorbed solution theory (HIAST)... 

The multiphase ideal adsorbed solution theory (MIAST) is another model of the family of adsorbed solutions. Corrtraiy to HAST, an energy distribution function is assumed with differences of the local or molectrlar site energy. Therefore, every site has its own local adsorption isotherm arrd the adsorbate concentration differs from site to site. The adsorbate is not considered as a homogeneous phase but as a multiphase system. 

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See also in sourсe #XX -- [ ]

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