In this work, we discuss the role that particle size plays in the manifestations of surface conduction on the dielectric response of colloidal dispersions. To that aim, experimental data on the dielectric constant of polystyrene suspensions of two different particle diameters (23 and 530 nm) are fir
Dielectric dispersions of colloidal particles in aqueous suspensions with low ionic conductivity
β Scribed by Carlo Ballario; Adalberto Bonincontro; Cesare Cametti
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 577 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0021-9797
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The dielectric properties of suspensions of spherical polystyrene particles with radii of 34 and 50 nm, in aqueous electrolyte solutions were measured in the frequency range of 10 kHz to 30 GHz using HP 4192A impedance and 8753A network analyzers, and double path interferometers. The samples were pr
In this paper the electrophoretic mobility and the electrical conductivity of concentrated suspensions of spherical colloidal particles have been numerically studied under arbitrary conditions including zeta potential, particle volume fraction, double-layer thickness (overlapping of double layers is