Adsorption theories
Texture of divided materials Specific surface area of powders or nanoporous materials

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Adsorption theories


Texture of divided materials Specific surface area of powders or nanoporous materials

Authors : Françoise ROUQUEROL, Jean ROUQUEROL, Isabelle BEURROIES, Philip LLEWELLYN, Renaud DENOYEL

Publication date: May 10, 2017, Review date: October 23, 2020 | Lire en français

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4. Adsorption theories

There are many theories of adsorption, but in this article only those are given which can be used most directly to characterize the texture of powdery or porous materials (specific surface area and pore size distribution).

Although Langmuir's theory was developed for chemisorption, it is mentioned here because it forms the basis of the physical gas adsorption theory of Brunauer, Emmett and Teller.

4.1 Langmuir theory: chemisorption

Langmuir is credited with the concept of the monomolecular layer

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