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THE COLLOIDAL STATE
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adsorbed adsorption adsorption isotherm agent aggregation approximately attraction behaviour Brownian Brownian motion calculated capillary cell chemisorption coagulation coefficient colloidal systems condensation constant contact angle counter-ions curve decreases density detergent diffusion dilute dispersion medium droplets effect electric double layer electrolyte electrolyte concentration emulsifying emulsion equation equilibrium example experimental fatty acids Figure film flow foam forces free energy hydrocarbon chains hydrophilic increase interaction interface involved ionic ions isotherms Langmuir light scattered lyophobic material measured membrane method micelle micellisation microscope mixed film moldm molecules monodispersed monolayer monomolecular O/W emulsions osmotic pressure phase physical adsorption polymer polymerisation pore porous protein radius ratio relative molecular mass repulsion result sample sedimentation shear sodium solid surface soluble solvation solvent spherical particles stabilising stability surface conductance surface tension surface-active surfactant technique temperature theory thickness tion usually velocity viscosity volume Waals wetting zero zeta potential