Introduction to Colloid and Surface Chemistry |
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Page 23
... method has considerable advantages over the free boundary methods with regard to experimental procedure . Possible objections to the method are : ( a ) the calibration of Sintered glass disc C2 X t2 Figure 2.4 . Porous plug method the ...
... method has considerable advantages over the free boundary methods with regard to experimental procedure . Possible objections to the method are : ( a ) the calibration of Sintered glass disc C2 X t2 Figure 2.4 . Porous plug method the ...
Page 54
... method can also be used as a static method ( Figure 4.4b ) for measuring changes in surface tension ( see film balance , page 75 ) . The change in the force required to maintain the plate at constant immersion as the surface tension ...
... method can also be used as a static method ( Figure 4.4b ) for measuring changes in surface tension ( see film balance , page 75 ) . The change in the force required to maintain the plate at constant immersion as the surface tension ...
Page 76
... method difference in potentiometer readings required to give minimum sound in the ear - phones for clean and film - covered surfaces . This method is more accurate than the air electrode method , being capable of measuring AV to 0.1 mV ...
... method difference in potentiometer readings required to give minimum sound in the ear - phones for clean and film - covered surfaces . This method is more accurate than the air electrode method , being capable of measuring AV to 0.1 mV ...
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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