Introduction to Colloid and Surface Chemistry |
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Page 47
... Figure 3.7 . Principle of the cardioid dark- field condenser Siedentopf and Zsigmondy ( 1903 ) the sample is illuminated from the side by an intense narrow beam of light from a carbon - arc source ( Figure 3.6 ) . The cardioid condenser ...
... Figure 3.7 . Principle of the cardioid dark- field condenser Siedentopf and Zsigmondy ( 1903 ) the sample is illuminated from the side by an intense narrow beam of light from a carbon - arc source ( Figure 3.6 ) . The cardioid condenser ...
Page 54
... Figure 4.4 . ( a ) ( b ) γ Figure 4.4 . Wilhelmy plate methods : ( a ) detachment ; ( b ) static ( a ) When used as a detachment method ( Figure 4.4a ) , the container holding the liquid is gradually lowered and the pull on the balance ...
... Figure 4.4 . ( a ) ( b ) γ Figure 4.4 . Wilhelmy plate methods : ( a ) detachment ; ( b ) static ( a ) When used as a detachment method ( Figure 4.4a ) , the container holding the liquid is gradually lowered and the pull on the balance ...
Page 70
... ( Figure 4.14a ) , and is given by the Dupré equation Wa = YA + YB - YA / B ( b ) The work of cohesion for a single liquid corresponds to the work required to pull apart a column of liquid of 1 cm2 cross- section ( Figure 4.14b ) , i.e. ...
... ( Figure 4.14a ) , and is given by the Dupré equation Wa = YA + YB - YA / B ( b ) The work of cohesion for a single liquid corresponds to the work required to pull apart a column of liquid of 1 cm2 cross- section ( Figure 4.14b ) , i.e. ...
Contents
THE COLLOIDAL STATE | 1 |
KINETIC PROPERTIES | 15 |
OPTICAL PROPERTIES | 38 |
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acid adsorbed adsorption adsorption isotherm approximately aqueous behaviour boundary Brownian capillary condensation cell charged surface chemisorption cm-¹ co-ions colloidal dispersions colloidal particles colloidal systems constant contact angle counter-ions cross-section curve cylinder decreases deflocculated deformation depends detergent dispersion medium distance droplets effect electrical double layer electrode electrolyte emulsifying equation equilibrium example Figure film flocculation flocculation concentration flow heat hydrocarbon chains hydrophilic increase interaction interface intrinsic viscosity ionic ions isotherms light scattered lyophobic material measurements 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 protein relative repulsive sample sedimentation shear soaps sodium solid surface soluble solution solvation solvent 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