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The broad spectrum of interfacial science and technology includes several possible combinations of solid, liquid and gas phases. Of these, four are of practical importance: liquid in gas; liquid in liquid; solid in gas; and solid in liquid. This textbook concentrates on a solid phase dispersed in a liquid phase. It includes fundamental theory, models and available analytical tools and typical applications such as stability of a colloidal dispersion and the electrophoretic motion of charged particles. It covers various applications, from wastewater management to high-tech semiconductor processing. It analyses electrical double layers structure and interaction and forces and describes the macroscopic behaviour and stability of colloid dispersions. The interaction between charged surfaces is discussed as well as the problems associated with forces that interact between charged surfaces in electrolyte solutions. The basic physical concepts behind experimental methods are affirmed by emphasis on principles, rather than formulae. |