Influence of double-layer overlap on the electrophoretic mobility and DC conductivity of a concentrated suspension of spherical particles

Article Abstract:

The specific effect of the overlapping of double-layer on the electrophoretic mobility and DC electrical conductivity of a concentrated suspension of spherical colloidal particles is considered. The results show that the double-layer overlapping corrections lead to an important estimation of the true values of both the electrophoretic mobility and the electrical conductivity

Electrophoresis, Chemistry, Physical and theoretical, Physical chemistry, Colloid chemistry, Direct current (Electricity), Direct current

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Pi-pi and sigma-pi Interactions in alpha, omega-di-(9-anthryl) and di-(1-naphthyl) oligosilanes studies by time-resolved fluorescence in solution

Article Abstract:

The photophysical properties of the alpha, omega di-(1-naphthyl) and di-(9-anthryl) oligosilanes [Np-(SiMe2)(sub n)-Np (1-5), Ant-(SiMe2)(sub n)-Ant (6-10) with n = 1-4 and 6] are investigated. The time-resolved fluorescence indicates that the conformers produce excimer emission from a weakly coupled dimer, even in the ground state.

Fluorescence, Neptunium

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Broadband dielectric spectra of spheroidal hematite particles

Article Abstract:

A new data on the dielectric dispersion of suspensions of two kinds of spheroidal hematite particles (alpha-Fe2O3) is focused. The dielectric dispersion measurements are also used for the characterization of the solid-liquid interface in the case of nonspherical particles.

Iron ores, Iron Ore, Iron Ore Mining, Iron Foundries, Ductile & Nodular Iron, Nodular iron, Alpha rays, Alpha particles, Iron, Nodular

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