Introduction to Colloid and Surface Chemistry |
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Page 154
... Viscosity VISCOSITY The viscosity of a liquid is a measure of the internal resistance offered to the relative motion of different parts of the liquid . Viscosity is described as Newtonian when the shearing force per unit area between ...
... Viscosity VISCOSITY The viscosity of a liquid is a measure of the internal resistance offered to the relative motion of different parts of the liquid . Viscosity is described as Newtonian when the shearing force per unit area between ...
Page 158
... viscosity increments are of greater significance than absolute viscosities , and the following functions of viscosity are defined : no = n = Nrel = viscosity of pure solvent or dispersion medium viscosity of solution or dispersion n ...
... viscosity increments are of greater significance than absolute viscosities , and the following functions of viscosity are defined : no = n = Nrel = viscosity of pure solvent or dispersion medium viscosity of solution or dispersion n ...
Page 161
... viscosity decreases with increasing ionic strength , often in a marked fashion . 5. Polymer molecular weights from viscosity measurements- Viscosity measurements cannot be used to distinguish between particles of different size but of ...
... viscosity decreases with increasing ionic strength , often in a marked fashion . 5. Polymer molecular weights from viscosity measurements- Viscosity measurements cannot be used to distinguish between particles of different size but of ...
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-ยน 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