Introduction to Colloid and Surface Chemistry |
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Page 79
... film is compressed . The Physical States of Monomolecular Films Two - dimensional monolayers can exist in different physical states which bear some resemblance to the solid , liquid and gaseous states in three - dimensional matter ...
... film is compressed . The Physical States of Monomolecular Films Two - dimensional monolayers can exist in different physical states which bear some resemblance to the solid , liquid and gaseous states in three - dimensional matter ...
Page 81
... films at room tem- perature . At high film areas the molecules of fatty acid do not separate completely from one another , as the cohesion between the hydrocarbon chains is strong enough to maintain the film molecules in small clusters ...
... films at room tem- perature . At high film areas the molecules of fatty acid do not separate completely from one another , as the cohesion between the hydrocarbon chains is strong enough to maintain the film molecules in small clusters ...
Page 84
... film is gaseous and a liquid - expanded film is obtained on compression to 50 A2 / molecule . Fluctuating surface potentials verify the heterogeneous , transitional nature of the surface between 50 and 800 A2 / molecule . Liquid ...
... film is gaseous and a liquid - expanded film is obtained on compression to 50 A2 / molecule . Fluctuating surface potentials verify the heterogeneous , transitional nature of the surface between 50 and 800 A2 / molecule . Liquid ...
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