XRD pattern for α- and γ-Al2O3 powders obtained from gelatinous precipitate dried at 120 °C for 30 min and then calcined at 1050 °C for 4 h; (a) represents α-Al2O3 and (b) represents γ-Al2O3.
XRD pattern for α- and γ-Al2O3 powders obtained from gelatinous precipitate dried at 120 °C for 30 min and then calcined at 1050 °C for 4 h; (a) represents α-Al2O3 and (b) represents γ-Al2O3.