TY JOUR TI Preparation of tetraethoxysilane for the production of monodisperse spherical silica particles. Part 2. Impurities and their influence on the size of the forming globules KW monodisperse spherical silica particles KW supramolecular structures KW physicochemical methods of analysis JO Vestnik of geosciences AU Kamashev, D.V. PY 2023 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"