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 100
... condensation ; for example , the integral heat of physical adsorption of nitrogen on an iron surface is ca. 10 kJ mol - 1 ( the heat of liquefaction of nitrogen is -5.7 kJ mol1 ) . Heats of chemisorption are generally much larger ; for ...
... condensation ; for example , the integral heat of physical adsorption of nitrogen on an iron surface is ca. 10 kJ mol - 1 ( the heat of liquefaction of nitrogen is -5.7 kJ mol1 ) . Heats of chemisorption are generally much larger ; for ...
Page 106
... condensation in porous solids , the effective pore diameters generally being between about 2 nm and 20 nm . The upper limit of adsorption is mainly governed by the total pore volume . Types III ( e.g. bromine on silica gel at 352K ) and ...
... condensation in porous solids , the effective pore diameters generally being between about 2 nm and 20 nm . The upper limit of adsorption is mainly governed by the total pore volume . Types III ( e.g. bromine on silica gel at 352K ) and ...
Page 107
... Condensation can , therefore , take place in narrow capillaries at pressures which are lower than the normal saturation vapour pres- sure . Zsigmondy ( 1911 ) suggested that this phenomenon might also apply to porous solids . Capillary ...
... Condensation can , therefore , take place in narrow capillaries at pressures which are lower than the normal saturation vapour pres- sure . Zsigmondy ( 1911 ) suggested that this phenomenon might also apply to porous solids . Capillary ...
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