六氟硅酸铵后处理对H-ZSM-5分子筛酸性影响的固体NMR研究
王永祥1,2,王强2,*(
),徐君2,夏清华1,*(),邓风2,*()
),徐君2,夏清华1,*(),邓风2,*()
The Effects of Ammonium Hexafluorosilicate Post-Treatment on the Acidity of H-ZSM-5 Zeolite Studied by Solid-State NMR Spectroscopy
Yong-xiang WANG1,2,Qiang WANG2,*(),Jun XU2,Qing-hua XIA1,*(),Feng DENG2,*()
),Jun XU2,Qing-hua XIA1,*(),Feng DENG2,*()
图4. 分子筛吸附TMPO后的1D 31P MAS NMR谱图：(a) parent-H-ZSM-5 (0.1 mL TMPO)；(b) AHFS-H-ZSM-5 (0.1 mL TMPO)；(c) parent-H-ZSM-5 (0.2 mL TMPO)；(d) AHFS-H-ZSM-5 (0.2 mL TMPO)
Fig.4. 1D single-pulse 31P NMR spectra of zeolites with adsorbed TMPO: (a) parent-H-ZSM-5 (0.1 mL TMPO); (b) AHFS-H-ZSM-5 (0.1 mL TMPO); (c) parent-H-ZSM-5 (0.2 mL TMPO); (d) AHFS-H-ZSM-5 (0.2 mL TMPO)
