Introduction to Colloid and Surface Chemistry |
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Page 3
... phase systems . The phases are distinguished by the terms disperse phase ( for the phase forming the particles ) and dispersion medium ( for the medium in which the particles are distributed ) —see Table 1.1 . Disperse phase Dispersion ...
... phase systems . The phases are distinguished by the terms disperse phase ( for the phase forming the particles ) and dispersion medium ( for the medium in which the particles are distributed ) —see Table 1.1 . Disperse phase Dispersion ...
Page 58
... phase and allow the lipophilic hydrocarbon chains to escape into the vapour or oil phase ( Figure 4.8 ) . This situation is Vapour phase A ! ! ! A b b ! ! ! ! Aqueous phase Hydrocarbon phase 888 Aqueous phase Figure 4.8 . Adsorption of ...
... phase and allow the lipophilic hydrocarbon chains to escape into the vapour or oil phase ( Figure 4.8 ) . This situation is Vapour phase A ! ! ! A b b ! ! ! ! Aqueous phase Hydrocarbon phase 888 Aqueous phase Figure 4.8 . Adsorption of ...
Page 61
... phases a and ẞ be brought together . Three regions will be formed ( Figure 4.11 ) . α ་ A A S S Region of varying composition B B В Figure 4.11 The composition of the two - dimensional surface phase σ will be described in terms of the ...
... phases a and ẞ be brought together . Three regions will be formed ( Figure 4.11 ) . α ་ A A S S Region of varying composition B B В Figure 4.11 The composition of the two - dimensional surface phase σ will be described in terms of the ...
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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