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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5. 2-13C-丙酮吸附在(a)氧化硅（SA/0）、(b) SA/10及(c) SA/70上的13C MAS NMR谱[10]

Fig.5. 13C MAS NMR spectra of acetone-2-13C-loaded AlV-enriched ASAs[10]: (a) SA/0; (b) SA/10; (c) SA/70