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 174
... flocculation . * For small particles ( a < ca. 10-8 m ) the secondary minimum is never deep enough for this to happen in those cases where the potential energy maximum is high enough to prevent normal flocculation into the primary ...
... flocculation . * For small particles ( a < ca. 10-8 m ) the secondary minimum is never deep enough for this to happen in those cases where the potential energy maximum is high enough to prevent normal flocculation into the primary ...
Page 176
... Flocculation concentration / mol dm - 3 = Figure 8.4 . Flocculation concentrations calculated from Equation ( 8.4 ) taking A 10-19 J , ε / ε0 78.5 and T = 298 K , for counter - ion charge numbers 1 , 2 and 3. The sol is predicted to be ...
... Flocculation concentration / mol dm - 3 = Figure 8.4 . Flocculation concentrations calculated from Equation ( 8.4 ) taking A 10-19 J , ε / ε0 78.5 and T = 298 K , for counter - ion charge numbers 1 , 2 and 3. The sol is predicted to be ...
Page 177
... Flocculation concentrations for spherical particles of a given material at constant should be proportional to ε33 and independent of the particle size . δ The definitions of the term ' flocculation concentration ' ( a ) in relation to ...
... Flocculation concentrations for spherical particles of a given material at constant should be proportional to ε33 and independent of the particle size . δ The definitions of the term ' flocculation concentration ' ( a ) in relation to ...
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