Introduction to Colloid and Surface Chemistry |
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Page 22
... Porous plug method - The two liquids are separated by a sintered glass disc with a pore size of 5-15 μ ( the more concen- trated solution on top ) and kept stirred . The liquid in the pores of the disc is effectively immobilized and ...
... Porous plug method - The two liquids are separated by a sintered glass disc with a pore size of 5-15 μ ( the more concen- trated solution on top ) and kept stirred . The liquid in the pores of the disc is effectively immobilized and ...
Page 23
... Porous plug method the cell with material of different molecular weight and / or shape to the material under investigation is not necessarily valid ; and ( b ) entrapment of air bubbles in the pores or adsorption of the diffusing ...
... Porous plug method the cell with material of different molecular weight and / or shape to the material under investigation is not necessarily valid ; and ( b ) entrapment of air bubbles in the pores or adsorption of the diffusing ...
Page 111
... porous solids . Adsorption hysteresis is a term which is used when the desorption isotherm curve does not coincide ... pores present , each having a size distribution . The first type are V - shaped , and these fill and empty reversibly ...
... porous solids . Adsorption hysteresis is a term which is used when the desorption isotherm curve does not coincide ... pores present , each having a size distribution . The first type are V - shaped , and these fill and empty reversibly ...
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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