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Differential curves of the pore size distribution in series 1 samples obtained by hydrolysis of TiCl4 under the following conditions: (a) samples 1.1–1.3, T = 4°C; (b) samples 1.4–1.6, T = 20°C; (c) samples 1.7–1.9, T = 70°C (pH: ○—3 ÷ 4, ■—6 ÷ 7, ∆—9 ÷ 10); and (d) series 3 samples obtained by hydrolysis of TIP (T synthesis: ■—50°C, ∆—70°C, □—95°C). Pore size distribution was determined by BET.
