Abstract
We now recognize two forms of adsorption : that in which the dispersive forces alone are operative—the so-called van der Waals or physical adsorption—and adsorption in which an electron switch has taken place between adsorbent and adsorbate—chemi-sorption. It is important to obtain criteria for distinguishing between these two forms so that we can identify the type or types involved in any particular case of heterogeneous catalysis.
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RIDEAL, E. Adsorption and Heterogeneous Catalysis. Nature 161, 461–462 (1948). https://doi.org/10.1038/161461a0
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DOI: https://doi.org/10.1038/161461a0