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
... film molecules outweighs the inter - chain attraction . Fatty acids and alcohols of chain - length C12 and less give imperfect gaseous films when spread on water at room ... film than 40 30 20 20 77 , dyne / cm 10 81 MONOMOLECULAR FILMS.
... film molecules outweighs the inter - chain attraction . Fatty acids and alcohols of chain - length C12 and less give imperfect gaseous films when spread on water at room ... film than 40 30 20 20 77 , dyne / cm 10 81 MONOMOLECULAR FILMS.
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 ...
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acid adsorbed adsorption adsorption isotherm approximately aqueous behaviour Brownian calculated cell charged surface chemisorption cm-¹ cm³ coefficient colloidal dispersions colloidal particles colloidal systems constant contact angle counter-ions curve cylinder decreases deflocculated deformation depends detergent diffusion dispersion medium distance droplets effect electrical double layer electrode electrolyte emulsifying equation equilibrium example Figure film flocculation flocculation concentration flow hydrocarbon chains hydrophilic increase interaction interface intrinsic viscosity ionic ions isotherms light scattered material measured 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 potential gradient protein ratio relative repulsive sample sedimentation shear soaps sodium solid surface soluble solution solvation solvent spherical particles 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