NMR Evaluation of Receptor Sites in Molecular Sieve Catalysts
作者： E.G. Derouane , J.B. Nagy , B.De Roover , C. Fernandez
DOI: 10.1016/S0167-2991(08)61754-1
关键词:
摘要: Abstract This work shows the correlation between 13 C chemical shifts of tetramethylammonium and tetramethylphosphonium cations exchanged in several zeolites structural parameter W r (s) measuring degree confinement. Thus, an easy-to-apply quantitative tool to gauge at atomic level effective environment active sites molecular sieves has been disclosed.
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