基于固体核磁共振技术的固体酸结构、酸性及活性分析
杨文杰,黄骏*(
)
)
Analysis of Local Structure, Acidic Property and Activity of Solid Acids by Solid-State Nuclear Magnetic Resonance Spectroscopy
Wen-jie YANG,Jun HUANG*()
)
图5. 40 ℃条件下，氘代苯与无定形二氧化硅-氧化铝组合物之间的氢氘交换.(a)原位1H魔角旋转核磁共振叠加谱；(b)氘代苯与分子筛H-ZSM-5(红色)、二氧化硅-氧化铝组合物SA/50(蓝色)、二氧化硅-氧化铝组合物SA/10(黑色)中酸位之间氢氘交换速率的动力学研究[
Fig.5. H/D exchange of ASA with C6D6 at 40 ℃. (a) Stack plot of in situ 1H MAS NMR spectra; (b) Kinetics study of the H/D exchange rate between the C6D6 and the acid sites in H-ZSM-5 (red), SA/50 (blue) and SA/10 (Black)[
