Introduction to Colloid and Surface Chemistry |
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Page 175
... conductance is negligible . For large κa the Henry equation predicts that λ should approach -1 and the electro- phoretic mobility approach zero as the particle ... Surface conductance will affect the distribution of CHARGED INTERFACES 175.
... conductance is negligible . For large κa the Henry equation predicts that λ should approach -1 and the electro- phoretic mobility approach zero as the particle ... Surface conductance will affect the distribution of CHARGED INTERFACES 175.
Page 181
... surface conductance . If equation ( 7.31 ) is used with a equal to the average pore radius , the calculated zeta potentials are too low . The importance of surface conductance can be investigated qualitatively by comparing the con ...
... surface conductance . If equation ( 7.31 ) is used with a equal to the average pore radius , the calculated zeta potentials are too low . The importance of surface conductance can be investigated qualitatively by comparing the con ...
Page 182
... surface conductance . Combination of equations ( 7.30 ) and ( 7.32 ) gives a general relation- ship between electro - osmosis and streaming potential , Saxen's equa- tion , which , by a more general derivation 216 , can be shown to ...
... surface conductance . Combination of equations ( 7.30 ) and ( 7.32 ) gives a general relation- ship between electro - osmosis and streaming potential , Saxen's equa- tion , which , by a more general derivation 216 , can be shown to ...
Contents
THE COLLOIDAL STATE | 7 |
Preparation and Purification of Colloidal Systems | 10 |
KINETIC PROPERTIES | 19 |
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adsorbed adsorption adsorption isotherm agent aggregation approximately behaviour Brownian Brownian motion calculated capillary cell chemisorption cm³ coagulation coefficient colloidal dispersions colloidal systems condensation constant contact angle counter-ions curve decreases density detergent diffusion dispersion medium droplets effect electric double layer electrolyte electron emulsifying emulsion equation equilibrium example experimental fatty acids Figure film flow foam forces free energy hydrocarbon hydrocarbon chains hydrophilic increase interaction interface involved ionic ions light scattered lyophobic material measured membrane method micelle micellisation microscope mixed film mN m¹ mol dm³ mol¹ molecules monolayer osmotic pressure phase physical adsorption polymer polymerisation pore potential energy 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 V/Vm velocity viscosity volume Waals wetting zero zeta potential