A New Method for Characterization of Solid Superacidity: In situ ~ (13)C MAS NMR Study of Butane Isomerization on Catalysts
Ma Zhuona;Hu Juncheng;Fan Kangnnian;Cao Yong;He Heyong;Gao Zi
Acta Chimica Sinica . 2003, (9): 1352 -1356 .