Colloidal Stability: Electrostatic Interactions & Aggregation Kinetics

This lecture covers the interaction between charged surfaces, electrostatic forces, and colloidal stability using the DLVO model. It discusses the aggregation kinetics of colloidal suspensions, emphasizing the importance of surface charges, ion adsorption, and the stability of dispersions. The presentation delves into the mechanisms of surface charging, ion adsorption at interfaces, and the evaluation of colloidal stability. The lecture also explores the Poisson-Boltzmann equation, surface potential, and the formation of charged interfaces. Various factors influencing the stability of colloidal systems, such as attractive Van der Waals forces and repulsive electrostatic interactions, are analyzed.