Electrokinetic properties of iron-containing microporous glasses


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Abstract

The electrokinetic properties of the particles of microporous borosilicate glass powder containing the magnetite phase in its composition on the background of an indifferent electrolyte (NaCl) have been studied. It is found that the modification of two-phase sodium borosilicate glass with iron oxide leads to a shift in the position of the isoelectric point from pH 0.5 for alkali borosilicate (ABS) porous glass (PG) to pH 4.1 ± 0.1 for iron-containing ABS PG. The observed changes in the behavior of modified PG open up new prospects for their practical application.

About the authors

A. V. Volkova

St. Petersburg State University

Author for correspondence.
Email: anna.volkova@spbu.ru
Russian Federation, Universitetskaya nab. 7/9, St. Petersburg, 199034

L. E. Ermakova

St. Petersburg State University

Email: anna.volkova@spbu.ru
Russian Federation, Universitetskaya nab. 7/9, St. Petersburg, 199034

E. A. Kashpurina

St. Petersburg State University

Email: anna.volkova@spbu.ru
Russian Federation, Universitetskaya nab. 7/9, St. Petersburg, 199034

O. A. Pshenko

Grebenshchikov Institute of Silicate Chemistry

Email: anna.volkova@spbu.ru
Russian Federation, nab. Makarova 2, St. Petersburg, 1199034

T. V. Antropova

Grebenshchikov Institute of Silicate Chemistry

Email: anna.volkova@spbu.ru
Russian Federation, nab. Makarova 2, St. Petersburg, 1199034

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