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五配位铝强化硅铝固体酸的固体核磁共振研究
王子春1,黄骏2,姜怡娇1,*()
Solid-State NMR Spectroscopy Studies of Enhanced Acidity of Silica-Aluminas Based on Penta-Coordinated Aluminum Species
Zi-chun WANG1,Jun HUANG2,Yi-jiao JIANG1,*()

图12. 合成的Pt/ASA的27Al (a~d)和1H (e~h) MAS NMR谱：(a, e)室温干燥；加热(b, f) 100 ℃、(c, g) 200 ℃及(d, h) 350 ℃[27]

Fig.12. 27Al (a~d) and 1H (e~h) MAS NMR spectra of the as-synthesized Pt/ASA dried at different temperatures: room temperature (Pt/ASA-RT) (a, e), 100 ℃ (b, f), 200 ℃ (c, g) and 350 ℃ (d, h) [27]