fig2
Figure 2. MAS NMR spectrum of (A) Si, (B) Al and (C) C element of KCl/0.2/48, the red bar chart is the standard 13C NMR spectrum of the SDA; (D) The thermogravimetric analysis of KCl/0.2/48. MAS: Magic angle spinning; NMR: nuclear magnetic resonance; SDA: structure directing agent.
