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*(
)
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Analysis of Local Structure, Acidic Property and Activity of Solid Acids by Solid-State Nuclear Magnetic Resonance Spectroscopy
Wen-jie YANG,Jun HUANG*()
)
图4. 无定形二氧化硅-氧化铝组合物的二维27Al-1H异核多量子相关核磁共振谱.样品在723 K下经12 h脱水处理，并在附加18.8 T外部磁场条件下记录数据[
Fig.4. 2D 27Al-1H D-HMQC NMR spectrum of amorphous silica-alumina. The sample was dehydrated for 12 h at 723 K and the data was recorded at 18.8 T[
