固体核磁共振技术在锡硅分子筛表征中的应用
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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,*( )
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Progress in the Studies on Sn-Zeolites by Solid-State Nuclear Magnetic Resonance
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Yao XIAO 1,2,Chang-jiu XIA 3,Xian-feng YI 1,*( ),Feng-qing LIU 1,2,Shang-bin LIU 4,An-min ZHENG 1,*( )
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图11. (A) (a, c)葡萄糖和(b, d)果糖分别吸附在(a, b)Si-Beta和(c, d) Sn-Beta分子筛上的13C MAS NMR谱图.(B)果糖吸附在Sn-Beta分子筛上不同CP接触时间[(a) 0.1 ms, (b) 1.0 ms, (c)无CP]的CP MAS NMR谱图(根据文献[6]修改)
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Fig.11. (A) 13C MAS NMR of (a) glucose adsorbed into Si-Beta, (b) fructose adsorbed into Si-Beta, (c) glucose adsorbed into Sn-Beta, (d) fructose adsorbed into Sn-Beta. (B) Spectra from fructose adsorbed into Sn-Beta: (a) CP contact time of 0.1 ms; (b) CP contact time of 1.0 ms; and (c) no CP (Reproduced from Ref. [6])
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