Synthesis,Characterization and Catalytic Activity of ZnAl Anionic Clay Pillared by α-Na<sub>6</sub>[GaW<sub>11</sub>O<sub>39</sub>Fe(H<sub>2</sub>O)]·18H<sub>2</sub>O
Synthesis, Characterization and Catalytic Activity of ZnAl Anionic Clay Pillared by α Na 6[GaW 11 O 39 Fe(H 2O)]·18H 2O