The manual outlines the main sections of colloidal chemistry: quantitative characteristics, formation, structure of lyophilic and lyophobic dispersed systems, their molecular-kinetic and optical properties, sedimentation analysis, adsorption, wetting, capillary and electrokinetic phenomena, coagulation kinetics. Each section contains the main theoretical provisions, examples of solving typical problems and problems for independent study. The program is intended for students... [ ) Recommended by the UrFU Methodological Council as a training manual for students studying under the bachelor program in the areas of training 18. 03. 01 "Chemical Technology", 19. 03. 01 "Biotechnology", 18. 03. 02 "Energy and resource-saving processes in chemical technology, petrochemistry and biotechnology", 20. 05. 01 "Fire Safety", 20. 03. 01 "Technosphere Security" .