Method  Solution Concentrations  Amount of Pillared Clay  Observation
Traditional  0.2 mol/L  3 g  Pil. Ag. 6 days a
3  0.6 mol/L  10 g  Pil. Ag. 6 days
11  0.6 mol/L  10 g  Pil. Ag. 60 °C, 24 h b
12  1.2 mol/L  20 g  Pil. Ag. 6 days
13  1.2 mol/L  20 g  Pil. Ag. 60 °C, 24 h
14  1.5 mol/L  50 g  Pil. Ag. 6 days
15  1.2 mol/L  50 g  Pil. Ag. 6 days
16  1.2 mol/L  50 g  Pil. Ag. 60 °C, 24 h