chapter ION-EXCHANGE METHODS FOR ULTRA PURIFICATION OF INORGANIC, ORGANIC AND BIOLOGICAL SUBSTANCES -- chapter OPTIMIZATION OF SORPTION PURIFICATION OF INDUSTRIAL EFFLUENTS, WASTE WATERS AND TECHNOLOGICAL SOLUTIONS FROM POLYVALENT METAL IONS -- chapter ION-EXCHANGE ISOTHERMAL SUPERSATURATION -- chapter CLATHRATE-FORMING ION EXCHANGERS -- chapter COMPLEXATION IN ION EXCHANGER PHASE. PROPERTIES AND APPLICATION OF ION EXCHANGER COMPLEXES -- chapter DIFFUSIONAL MODEL FOR INTRAPARTICLE ION EXCHANGE KINETICS IN NONLINEAR SELECTIVE SYSTEMS -- chapter SURFACE IMPREGNATED SULFONATE ION EXCHANGERS: PREPARATION, PROPERTIES AND APPLICATION -- chapter REAGENT-FREE ION-EXCHANGE SEPARATIONS -- chapter DUAL-TEMPERATURE ION EXCHANGE FRACTIONATION -- chapter INTERIONIC AND INTERMOLECULAR INTERACTIONS IN ION-EXCHANGE AND SORPTION SYSTEMS INVOLVING PHYSIOLOGICALLY ACTIVE SUBSTANCES -- chapter KINETICS AND DYNAMICS OF REDOX SORPTION -- chapter GENERALIZED THERMODYNAMIC THEORY OF ION-EXCHANGE ISOTHERM -- chapter ELECTROCHEMICAL AND TWIN CHEMICAL POTENTIALS AS THERMODYNAMIC DRIVING FORCES.