Introduction to Colloid and Surface Chemistry |
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Page 73
... thickness with the hydrophilic -COOH or -OH groups 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 ...
... thickness with the hydrophilic -COOH or -OH groups 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 ...
Page 112
... thickness . This view is generally accepted for chemisorption and for physical adsorption at low pressures and moderately high temperatures . The Langmuir adsorption isotherm is based on the character- istic assumptions that ( a ) only ...
... thickness . This view is generally accepted for chemisorption and for physical adsorption at low pressures and moderately high temperatures . The Langmuir adsorption isotherm is based on the character- istic assumptions that ( a ) only ...
Page 132
... thickness ) : when кa is small , the particle may be considered as a point charge ; when it is large , the double layer is almost flat and the treatment outlined at the beginning of this chapter is applicable . Calculation of Zeta ...
... thickness ) : when кa is small , the particle may be considered as a point charge ; when it is large , the double layer is almost flat and the treatment outlined at the beginning of this chapter is applicable . Calculation of Zeta ...
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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