Introduction to Colloid and Surface Chemistry |
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Page 15
... velocity . Provided that the velocity is not too great , which is always the case for colloidal ( and somewhat larger ) particles , the resistance of the liquid is , to a first approximation , proportional to the velocity of the ...
... velocity . Provided that the velocity is not too great , which is always the case for colloidal ( and somewhat larger ) particles , the resistance of the liquid is , to a first approximation , proportional to the velocity of the ...
Page 127
... velocity at the centre of the tube . This results in a parabolic distribution of liquid speeds with depth , and the true electrophoretic velocity is only observed at the locations in the tube where the electro - osmotic flow and return ...
... velocity at the centre of the tube . This results in a parabolic distribution of liquid speeds with depth , and the true electrophoretic velocity is only observed at the locations in the tube where the electro - osmotic flow and return ...
Page 154
... velocity gradient dʊ / dx between the planes , i.e. T = ηdv / dx where η is the coefficient of viscosity . The c.g.s. unit of 17 is the poise ( i.e. dyne cm - 2 sec or g cm - 1 sec ̄1 ) . η For most pure liquids and for many solutions ...
... velocity gradient dʊ / dx between the planes , i.e. T = ηdv / dx where η is the coefficient of viscosity . The c.g.s. unit of 17 is the poise ( i.e. dyne cm - 2 sec or g cm - 1 sec ̄1 ) . η For most pure liquids and for many solutions ...
Contents
THE COLLOIDAL STATE | 1 |
KINETIC PROPERTIES | 15 |
OPTICAL PROPERTIES | 38 |
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acid adsorbed adsorption adsorption isotherm approximately aqueous behaviour boundary Brownian capillary condensation cell charged surface chemisorption cm-¹ co-ions colloidal dispersions colloidal particles colloidal systems constant contact angle counter-ions cross-section curve cylinder decreases deflocculated deformation depends detergent dispersion medium distance droplets effect electrical double layer electrode electrolyte emulsifying equation equilibrium example Figure film flocculation flocculation concentration flow heat hydrocarbon chains hydrophilic increase interaction interface intrinsic viscosity ionic ions isotherms light scattered lyophobic material measurements 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 protein relative repulsive sample sedimentation shear soaps sodium solid surface soluble solution solvation solvent 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