固体核磁共振技术在锡硅分子筛表征中的应用
肖瑶1,2,夏长久3,易先锋1,*(
),刘凤庆1,2,刘尚斌4,郑安民1,*()
),刘凤庆1,2,刘尚斌4,郑安民1,*()
Progress in the Studies on Sn-Zeolites by Solid-State Nuclear Magnetic Resonance
Yao XIAO1,2,Chang-jiu XIA3,Xian-feng YI1,*(),Feng-qing LIU1,2,Shang-bin LIU4,An-min ZHENG1,*()
),Feng-qing LIU1,2,Shang-bin LIU4,An-min ZHENG1,*()
图4. 不同处理条件下Sn-Beta分子筛的1H-119Sn HMQC NMR谱图.(a)不脱水；(b) 298 K脱水；(c) 393 K脱水，不对119Sn去耦；(d) 393 K脱水，并对119Sn去耦（根据文献[
Fig.4. Two-dimensional 1H-119Sn HMQC MAS NMR spectra of Sn-Beta. (a) Without dehydration; (b) Dehydrated at 298 K; (c) Dehydrated at 393 K without 119Sn decoupling; (d) Dehydrated at 393 K with 119Sn decoupling (Reproduced from Ref. [
