Introduction to Colloid and Surface Chemistry |
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Page 119
... double layer ( often referred to as the Gouy - Chapman double layer ) , as illustrated in Figure 7.1 . An increase in the electrolyte concentration magnifies the above screening effect and so leads to a compacting of the diffuse double ...
... double layer ( often referred to as the Gouy - Chapman double layer ) , as illustrated in Figure 7.1 . An increase in the electrolyte concentration magnifies the above screening effect and so leads to a compacting of the diffuse double ...
Page 122
... Double Layer The Gouy - Chapman theory of the diffuse double layer suffers from a number of defects , the most notable being that the assumption of point charges leads to the calculation of absurdly high ionic concentrations near to the ...
... Double Layer The Gouy - Chapman theory of the diffuse double layer suffers from a number of defects , the most notable being that the assumption of point charges leads to the calculation of absurdly high ionic concentrations near to the ...
Page 125
... double layer ( i.e. increases k ) and , from equation ( 7 ) , results in a corresponding increase of surface charge ... double layer from a surface . If an electric field is applied tangentially along a charged surface in contact with ...
... double layer ( i.e. increases k ) and , from equation ( 7 ) , results in a corresponding increase of surface charge ... double layer from a surface . If an electric field is applied tangentially along a charged surface in contact with ...
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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