Introduction to Colloid and Surface Chemistry |
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Page 233
... emulsion mixes readily with a liquid which is miscible with its dispersion medium . ( 3 ) The emulsion is readily coloured by dyes which are soluble in the dispersion medium . ( 4 ) O / W emulsions usually have a much higher electrical ...
... emulsion mixes readily with a liquid which is miscible with its dispersion medium . ( 3 ) The emulsion is readily coloured by dyes which are soluble in the dispersion medium . ( 4 ) O / W emulsions usually have a much higher electrical ...
Page 236
... emulsion consisted of an assembly of closely packed uni- form spherical droplets , the dispersed phase would occupy 0.74 of the total volume . Stable emulsions can , however , be prepared in which the ... emulsion 236 EMULSIONS AND FOAMS.
... emulsion consisted of an assembly of closely packed uni- form spherical droplets , the dispersed phase would occupy 0.74 of the total volume . Stable emulsions can , however , be prepared in which the ... emulsion 236 EMULSIONS AND FOAMS.
Page 237
... emulsion . The HLB of the mixture is , therefore , ( 0.2 X 2.1 ) + ( 0.8 X 14.9 ) = 12.3 . The theory is that an HLB of 12.3 should be optimum for the formation of this particular O / W emulsion by use of other emulsifier systems ; for ...
... emulsion . The HLB of the mixture is , therefore , ( 0.2 X 2.1 ) + ( 0.8 X 14.9 ) = 12.3 . The theory is that an HLB of 12.3 should be optimum for the formation of this particular O / W emulsion by use of other emulsifier systems ; 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