Introduction to Colloid and Surface Chemistry |
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Page 19
... calculated values for Avogadro's number varying between 5.5 × 1023 and 8x 1023. Subsequent experiments of this nature have yielded values of N closer to the accepted 6.02 × 1023 ; for example , Svedberg ( 1911 ) calculated N = 6-09 ...
... calculated values for Avogadro's number varying between 5.5 × 1023 and 8x 1023. Subsequent experiments of this nature have yielded values of N closer to the accepted 6.02 × 1023 ; for example , Svedberg ( 1911 ) calculated N = 6-09 ...
Page 135
... calculated from it . 1. The hydrodynamic equations for streamlined flow are assumed to hold both in the bulk of the liquid and within the double layer . This assumption is probably valid in practically all situations likely to be ...
... calculated from it . 1. The hydrodynamic equations for streamlined flow are assumed to hold both in the bulk of the liquid and within the double layer . This assumption is probably valid in practically all situations likely to be ...
Page 180
... Calculate the work of adhesion and the spreading coeffi- cient . The surface tension of water at 20 ° C is 72-75 dyne cm - 1 . 6. The following surface tensions were measured for aqueous solutions of n.pentanol at 20 ° C. c ( molar ) 0 ...
... Calculate the work of adhesion and the spreading coeffi- cient . The surface tension of water at 20 ° C is 72-75 dyne cm - 1 . 6. The following surface tensions were measured for aqueous solutions of n.pentanol at 20 ° C. c ( molar ) 0 ...
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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