Introduction to Colloid and Surface Chemistry |
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Page 104
... adsorption is localized ) , or they are restricted to two - dimensional motion . Adsorption processes are , therefore , 150 -23.5 ° C 0 °C 100 30 ° C c.c. at N.T.P. / g of adsorbent Volume of gas adsorbed , 50 0 200 400 80 ° C 151.5 ° C ...
... adsorption is localized ) , or they are restricted to two - dimensional motion . Adsorption processes are , therefore , 150 -23.5 ° C 0 °C 100 30 ° C c.c. at N.T.P. / g of adsorbent Volume of gas adsorbed , 50 0 200 400 80 ° C 151.5 ° C ...
Page 112
... Adsorption Isotherm - The variation of adsorption with pressure can often ( e.g. Figure 6.1 ) be represented at moderately low pressures by the purely empirical equation v = kP1 / n where v is the volume of gas adsorbed , P the pressure ...
... Adsorption Isotherm - The variation of adsorption with pressure can often ( e.g. Figure 6.1 ) be represented at moderately low pressures by the purely empirical equation v = kP1 / n where v is the volume of gas adsorbed , P the pressure ...
Page 113
... adsorption equilibrium . Let v equal the equilibrium volume of gas adsorbed per gram of adsorbent at a pressure P and vm equal the volume of gas required to cover 1 g of adsorbent with a complete monolayer . The velocity of adsorption ...
... adsorption equilibrium . Let v equal the equilibrium volume of gas adsorbed per gram of adsorbent at a pressure P and vm equal the volume of gas required to cover 1 g of adsorbent with a complete monolayer . The velocity of adsorption ...
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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