Introduction to Colloid and Surface ChemistryThe colloidal state; Kinetic properties; Optical properties; Liquid-gas and liquid- liquid interfaces; The solid-gas interface; Charged interfaces; Colloid stability; Rheology; Emulsions and foams. |
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Page 65
... surface or interface represents a balance between this tendency towards adsorption and the tendency ... surface - active molecules to pack into an inter- face favours an expansion of the interface ; this must therefore be 80 Surface tension ...
... surface or interface represents a balance between this tendency towards adsorption and the tendency ... surface - active molecules to pack into an inter- face favours an expansion of the interface ; this must therefore be 80 Surface tension ...
Page 66
... surface tension . A rough generalisation , known as Traube's rule , is that for a particular homologous series of surfactants the concentration required for an equal lowering of surface tension in dilute solution decreases by a factor ...
... surface tension . A rough generalisation , known as Traube's rule , is that for a particular homologous series of surfactants the concentration required for an equal lowering of surface tension in dilute solution decreases by a factor ...
Page 221
... surface tensions of water and mercury are 73 mN m - 1 and 485 mN m −1 , respectively , and the interfacial tension of the mercury - water interface is 375 mN m - 1 . Calculate : ( a ) the work of adhesion between mercury and water ...
... surface tensions of water and mercury are 73 mN m - 1 and 485 mN m −1 , respectively , and the interfacial tension of the mercury - water interface is 375 mN m - 1 . Calculate : ( a ) the work of adhesion between mercury and water ...
Contents
THE COLLOIDAL STATE | 1 |
KINETIC PROPERTIES | 16 |
OPTICAL PROPERTIES | 47 |
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adsorbed adsorption adsorption isotherm agents behaviour calculated capillary cell charge number charged surface chemisorption cm³ coefficient colloidal condensation constant contact angle counter-ions curve decrease depends detergent diffusion dispersion medium distance droplets effect electric double layer electric field electro-osmosis electrode electrokinetic electrolyte electrolyte concentration electrophoretic mobility emulsifying emulsion equation equilibrium example experimental fatty acids Figure flocculation flocculation concentration flow foam forces increase interaction interface intrinsic viscosity ions isotherms Langmuir Langmuir equation light scattered liquid lyophobic material measurements method micelles mol dm-3 molecules monolayer monomolecular nitrogen O/W emulsions phase physical adsorption polymer polymerisation pore porous potential energy protein radius ratio relative molecular mass result sample sedimentation shear silver iodide soaps sodium solid surface solvation solvent stabilising stability Stern layer streaming potential surface conductance surface tension surface-active surfactant temperature theory V/Vm vapour velocity viscoelastic viscosity volume Waals attraction wetting zeta potential