Chemisorption is a critical analytical technique used to investigate the surface properties of solid materials, particularly in the field of catalysis. Unlike physisorption, which involves weak van der Waals forces and is typically reversible, chemisorption involves strong, specific interactions such as covalent or ionic bonding. These interactions often result in the formation of a monolayer and are generally irreversible, making chemisorption highly selective and informative for surface characterization.
While physisorption is commonly used to determine surface area and pore structure, chemisorption techniques provide critical insights into the number, nature, and strength of active sites on catalyst surfaces. This information is essential for evaluating metal dispersion, adsorption strength, and catalytic reactivity; key parameters in catalyst design and performance optimization.
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Chemisorption is a critical analytical technique used to investigate the surface properties of solid materials, particularly in the field of catalysis. Unlike physisorption, which involves weak van der Waals forces and is typically reversible, chemisorption involves strong, specific interactions such as covalent or ionic bonding. These interactions often result in the formation of a monolayer and are generally irreversible, making chemisorption highly selective and informative for surface characterization.
While physisorption is commonly used to determine surface area and pore structure, chemisorption techniques provide critical insights into the number, nature, and strength of active sites on catalyst surfaces. This information is essential for evaluating metal dispersion, adsorption strength, and catalytic reactivity; key parameters in catalyst design and performance optimization.
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