Adsorption and Colloids



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Contents

Adsorption


Description: Adsorption, the process of molecules adhering to surfaces, includes its mechanism, types, and factors influencing it. Freundlich and Langmuir isotherms are models describing adsorption behavior on surfaces.


Adsorption & Catalysis


Description: Adsorption applications include purification, catalysis, separation. Catalysis types: homogeneous, heterogeneous. Adsorption theory explains surface effects in heterogeneous catalysis processes.


Catalysis & Colloids


Description: Enzyme catalysis involves biological catalysts. Colloids classified by particle size. Lyophilic colloids have affinity for solvent, lyophobic colloids repel solvent.


Colloids & Micelle Formation


Description: Colloids categorized as multimolecular, macromolecular, or associated based on particle size and composition. Micelle formation involves amphiphilic molecules arranging in spherical structures.


Colloidal Solutions


Description: Preparation of colloidal solutions involves methods like condensation and dispersion. Purification methods include dialysis and ultrafiltration. Properties encompass stability, Brownian motion, and Tyndall effect, crucial for various applications.


Properties of Colloids


Description: Colloidal particles carry charges due to adsorption of ions or polarization. Properties of colloidal solutions include stability, surface activity, and Brownian motion. Emulsions and colloids find diverse applications in industries and daily life.


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