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Structural and Electrosurface Properties of Porous Glasses of Various Composition in 1 : 1 Electrolyte Solutions

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Abstract

Complex studies of structural (the specific surface area, the volume porosity, the structural resistance coefficient, and the average pore radius), adsorption and electrokinetic (the electrical conductivity, the ion transport numbers, and the electrokinetic potential) characteristics as functions of pH and the concentration of KCl solution were carried out on porous glasses (PGs) with or without lead oxide and leached under various conditions. It was established that temperature of the leaching solution affects the colloidochemical parameters of PGs, while the addition of salt to the leaching solution exerts practically no influence on the PG behavior. It was shown that the addition of lead oxide results in the formation of membranes with thinner pores and higher surface charge.

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Authors and Affiliations

  1. Department of Chemistry, St. Petersburg State University, Universitetsky pr. 2, Petrodvorets, St. Petersburg, 198905, Russia

    L. E. Ermakova, M. P. Sidorova, S. V. Medvedeva & T. V. Antropova

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  1. L. E. Ermakova
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  2. M. P. Sidorova
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  3. S. V. Medvedeva
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  4. T. V. Antropova
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Ermakova, L.E., Sidorova, M.P., Medvedeva, S.V. et al. Structural and Electrosurface Properties of Porous Glasses of Various Composition in 1 : 1 Electrolyte Solutions. Colloid Journal 62, 691–698 (2000). https://doi.org/10.1023/A:1026674624116

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