Introduction to Colloid and Surface Chemistry |
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Page 3
... surface area of 6 cm2 , but when divided into cubes of 10-6 cm side ( typical of colloidal dimensions ) the total surface area for the same amount of material increases to 6 x 106 cm2 . At the interfaces between the disperse phase and ...
... surface area of 6 cm2 , but when divided into cubes of 10-6 cm side ( typical of colloidal dimensions ) the total surface area for the same amount of material increases to 6 x 106 cm2 . At the interfaces between the disperse phase and ...
Page 63
... area of the bubbles in the froth . However , the results were unreliable owing to the uncertainty in estimating this area and because adsorption equilibrium was not fully established . McBain et al.41 succeeded in verifying the validity of ...
... area of the bubbles in the froth . However , the results were unreliable owing to the uncertainty in estimating this area and because adsorption equilibrium was not fully established . McBain et al.41 succeeded in verifying the validity of ...
Page 115
... surface area of the adsorbent if the area occupied by each adsorbate molecule is known . C = 100 3 C = 10 C = 1 2 W ^ / ^ 0.5 1 P / PO Figure 6.8 . BET isotherms If the BET equation applies to a type II isotherm , then a plot of P / v ...
... surface area of the adsorbent if the area occupied by each adsorbate molecule is known . C = 100 3 C = 10 C = 1 2 W ^ / ^ 0.5 1 P / PO Figure 6.8 . BET isotherms If the BET equation applies to a type II isotherm , then a plot of P / v ...
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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