Introduction to Colloid and Surface Chemistry |
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Page 78
... equation The general form of the Gibbs equation ( dy = -Σг ; dμ¿ ) is fundamental to all adsorption processes . However , experimental verification of the equation derived for simple systems is of interest in view of the postula- tion ...
... equation The general form of the Gibbs equation ( dy = -Σг ; dμ¿ ) is fundamental to all adsorption processes . However , experimental verification of the equation derived for simple systems is of interest in view of the postula- tion ...
Page 121
... equation is , in effect , the summation of a distribution of Langmuir equations ; how- ever , the volume of gas adsorbed is not depicted as approaching a limiting value as in a single Langmuir equation . The BET equation for ...
... equation is , in effect , the summation of a distribution of Langmuir equations ; how- ever , the volume of gas adsorbed is not depicted as approaching a limiting value as in a single Langmuir equation . The BET equation for ...
Page 175
Duncan J. Shaw. The Henry equation Henry205 derived a general electrophoretic equation for conducting and non - conducting spheres which takes the form UE HL . Se 1.5 η [ 1 + λ F ( ka ) ] ( 7.25 ) where F ( ka ) varies between zero for ...
Duncan J. Shaw. The Henry equation Henry205 derived a general electrophoretic equation for conducting and non - conducting spheres which takes the form UE HL . Se 1.5 η [ 1 + λ F ( ka ) ] ( 7.25 ) where F ( ka ) varies between zero for ...
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