Introduction to Colloid and Surface Chemistry |
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Page 10
... lyophobic systems The terms lyophilic ( liquid - loving ) and lyophobic ( liquid - hating ) are frequently used to describe the tendency of a surface or functional group to become wetted or solvated . If the liquid medium is aqueous ...
... lyophobic systems The terms lyophilic ( liquid - loving ) and lyophobic ( liquid - hating ) are frequently used to describe the tendency of a surface or functional group to become wetted or solvated . If the liquid medium is aqueous ...
Page 82
... lyophobic part of the surfactant . If micelle structure involved some kind of crystal lattice arrangement , the nature of the lyophilic head group would also be expected to be important . ( 2 ) The micelles of a given surfactant are ...
... lyophobic part of the surfactant . If micelle structure involved some kind of crystal lattice arrangement , the nature of the lyophilic head group would also be expected to be important . ( 2 ) The micelles of a given surfactant are ...
Page 203
... lyophobic sols in terms of their potential energy of interaction curves does not lead one to expect peptisation , since any energy barrier to coagulation would involve on the other side . an even greater energy barrier to peptisation ...
... lyophobic sols in terms of their potential energy of interaction curves does not lead one to expect peptisation , since any energy barrier to coagulation would involve on the other side . an even greater energy barrier to peptisation ...
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