Introduction to Colloid and Surface Chemistry |
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Page 58
... orientated monolayer at air - water and oil - water interfaces The circular part of the molecules represents the hydrophilic polar head group and the rectangular part represents the non - polar hydrocarbon tail energetically more ...
... orientated monolayer at air - water and oil - water interfaces The circular part of the molecules represents the hydrophilic polar head group and the rectangular part represents the non - polar hydrocarbon tail energetically more ...
Page 73
... orientated towards the water phase and the hydro- phobic hydrocarbon chains orientated away from the water phase . These insoluble monomolecular films , or monolayers , represent the ultimate in adsorption at liquid surfaces as all the ...
... orientated towards the water phase and the hydro- phobic hydrocarbon chains orientated away from the water phase . These insoluble monomolecular films , or monolayers , represent the ultimate in adsorption at liquid surfaces as all the ...
Page 152
... orientated outwards , thus sensitizing the sol . At higher concentrations a second , oppositely orientated , layer would then give protection " 1 . 3. Long - chain additives , such as gelatin , can sometimes bring about flocculation by ...
... orientated outwards , thus sensitizing the sol . At higher concentrations a second , oppositely orientated , layer would then give protection " 1 . 3. Long - chain additives , such as gelatin , can sometimes bring about flocculation by ...
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acid adsorbed adsorption adsorption isotherm approximately aqueous behaviour Brownian calculated cell charged surface chemisorption cm-¹ cm³ coefficient colloidal dispersions colloidal particles colloidal systems constant contact angle counter-ions curve cylinder decreases deflocculated deformation depends detergent diffusion dispersion medium distance droplets effect electrical double layer electrode electrolyte emulsifying equation equilibrium example Figure film flocculation flocculation concentration flow hydrocarbon chains hydrophilic increase interaction interface intrinsic viscosity ionic ions isotherms light scattered material measured membrane method micelles mixed film molecular weight molecules monolayer monomolecular motion O/W emulsions orientated osmotic pressure physical adsorption plate polymer polymerization pores porous potential energy potential gradient protein ratio relative repulsive sample sedimentation shear soaps sodium solid surface soluble solution solvation solvent spherical particles stability Stern layer stress surface tension surface-active surfactant temperature theory thermal thixotropic valency vapour pressure velocity viscoelastic viscometer volume W/O emulsions Waals wetting zero zeta potential