2004 | OriginalPaper | Buchkapitel
Adsorption Mechanism
verfasst von : S. Lowell, Joan E. Shields, Martin A. Thomas, Matthias Thommes
Erschienen in: Characterization of Porous Solids and Powders: Surface Area, Pore Size and Density
Verlag: Springer Netherlands
Enthalten in: Professional Book Archive
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The success of kinetic theories directed toward the measurements of surface areas depends upon their ability to predict the number of adsorbate molecules required to cover the solid with a single molecular layer. Equally important is the cross-sectional area of each molecule or the effective area covered by each adsorbed molecule on the surface. The surface area then, is the product of the number of molecules in a completed monolayer and the effective cross-sectional area of an adsorbate molecule. The number of molecules required for the completion of a monolayer will be considered in this chapter and aspects of the adsorbate cross-sectional area will be discussed in chapter 5.