88.6 Classification of dispersion system 8.6.2 Definition of colloids kinds p Diffusion Semi-permeable membrane Crystalloids salt, sugar rapid Permeable Colloids protein, Fe(OH)slow Non-permeable Fundamental concepts Colloids, sol, gel, peptization, dialysiskinds samples Diffusion Semi-permeable membrane Crystalloids salt, sugar rapid Permeable Colloids protein, Fe(OH)3 slow Non-permeable Colloids, sol, gel, peptization, dialysis. Fundamental concepts 8.6.2 Definition of colloids §8.6 Classification of dispersion system