Introduction to Colloid and Surface Chemistry |
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Page 52
... ( density of liquid- density of vapour ) . For accurate work a meniscus correction should be made . In a narrow capillary the meniscus will be approximately hemi- spherical ; therefore y = 1r ( h + r / 3 ) Apg For wider capillaries one ...
... ( density of liquid- density of vapour ) . For accurate work a meniscus correction should be made . In a narrow capillary the meniscus will be approximately hemi- spherical ; therefore y = 1r ( h + r / 3 ) Apg For wider capillaries one ...
Page 132
... density at the surface of shear . No direct information is given about the potentials and ( although vs is probably only slightly greater than ( ) , or about the charge density at the surface of the material in question . Electrokinetic ...
... density at the surface of shear . No direct information is given about the potentials and ( although vs is probably only slightly greater than ( ) , or about the charge density at the surface of the material in question . Electrokinetic ...
Page 136
... Density The charge density σ at a surface of shear for which κa is large can be calculated ( for symmetrical electrolytes ) from the appropriate modification of equation ( 6 ) ( page 121 ) ; i.e. 2nDkT zet σ = sinh 2kT For an aqueous ...
... Density The charge density σ at a surface of shear for which κa is large can be calculated ( for symmetrical electrolytes ) from the appropriate modification of equation ( 6 ) ( page 121 ) ; i.e. 2nDkT zet σ = sinh 2kT For an aqueous ...
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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