Introduction to Colloid and Surface Chemistry |
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Page 149
... deflocculated particles pack efficiently to give a dense sediment which is difficult to redisperse , whereas flocculated particles bridge readily and give a loose sediment which is much more easily dispersed ( Figure 8.7 ) . In extreme ...
... deflocculated particles pack efficiently to give a dense sediment which is difficult to redisperse , whereas flocculated particles bridge readily and give a loose sediment which is much more easily dispersed ( Figure 8.7 ) . In extreme ...
Page 150
... deflocculated and ( b ) flocculated particles Owing to their affinity for water , hydrophilic colloids are unaffected by the small amounts of added electrolyte which cause hydrophobic sols to flocculate , but are often precipitated ...
... deflocculated and ( b ) flocculated particles Owing to their affinity for water , hydrophilic colloids are unaffected by the small amounts of added electrolyte which cause hydrophobic sols to flocculate , but are often precipitated ...
Page 163
... deflocculating agents reduces both the conductivity and the yield value . 3. Dilatancy - Dilatancy , the opposite of pseudoplasticity , is ... deflocculated particles in which there is only sufficient liquid 163 NON - NEWTONIAN FLOW.
... deflocculating agents reduces both the conductivity and the yield value . 3. Dilatancy - Dilatancy , the opposite of pseudoplasticity , is ... deflocculated particles in which there is only sufficient liquid 163 NON - NEWTONIAN FLOW.
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