Introduction to Colloid and Surface Chemistry |
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Page 38
Duncan J. Shaw. 3 OPTICAL PROPERTIES LIGHT SCATTERING When a beam of light is directed at a colloidal solution or ... scattered , whilst the remainder is transmitted undisturbed through the sample . The Tyndall Effect - Turbidity All ...
Duncan J. Shaw. 3 OPTICAL PROPERTIES LIGHT SCATTERING When a beam of light is directed at a colloidal solution or ... scattered , whilst the remainder is transmitted undisturbed through the sample . The Tyndall Effect - Turbidity All ...
Page 39
... light scattered by colloidal solutions or suspensions of low turbidity is measured directly in an instru- ment called a nephelometer . A detecting photocell is generally mounted on a rotating arm to permit measurement of the light scattered ...
... light scattered by colloidal solutions or suspensions of low turbidity is measured directly in an instru- ment called a nephelometer . A detecting photocell is generally mounted on a rotating arm to permit measurement of the light scattered ...
Page 41
... scattered light waves , i.e. the intensity of the resulting scattered light will be almost zero . When the scattering sources are randomly arranged , which is virtually the case for gases , pure liquids and dilute solutions or ...
... scattered light waves , i.e. the intensity of the resulting scattered light will be almost zero . When the scattering sources are randomly arranged , which is virtually the case for gases , pure liquids and dilute solutions or ...
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-ยน 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