Introduction to Colloid and Surface Chemistry |
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Page 4
... hydrophilic and hydro- phobic are used . Lyophilic surfaces can be made lyophobic and vice versa . For example , clean glass surfaces , which are hydrophilic , can be made hydrophobic by a coating of wax ; conversely , the droplets in a ...
... hydrophilic and hydro- phobic are used . Lyophilic surfaces can be made lyophobic and vice versa . For example , clean glass surfaces , which are hydrophilic , can be made hydrophobic by a coating of wax ; conversely , the droplets in a ...
Page 150
... hydrophilic behaviour and is precipitated from aqueous solution when the pH is near to the isoelectric point . ( a ) . ( b ) , Figure 8.7 . Sedimentation volumes for ( a ) deflocculated and ( b ) flocculated particles Owing to their ...
... hydrophilic behaviour and is precipitated from aqueous solution when the pH is near to the isoelectric point . ( a ) . ( b ) , Figure 8.7 . Sedimentation volumes for ( a ) deflocculated and ( b ) flocculated particles Owing to their ...
Page 176
... hydrophilic and lipophilic properties of the emulsifier - alkali - metal soaps favour the formation of O / W emulsions because they are more hydrophilic than lipophilic , whereas the reverse holds for heavy- metal soaps . Breaking of ...
... hydrophilic and lipophilic properties of the emulsifier - alkali - metal soaps favour the formation of O / W emulsions because they are more hydrophilic than lipophilic , whereas the reverse holds for heavy- metal soaps . Breaking of ...
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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