Microdynamics of methane, ethane and propane in ZSM-5 type zeolites
作者： Jürgen Caro , Martin Bülow , Wolfgang Schirmer , Jörg Kärger , Wilfried Heink
DOI: 10.1039/F19858102541
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摘要: The n.m.r. pulsed field-gradient technique has been used to study systematically the intracrystalline self-diffusion of methane, ethane and propane in ZSM-5. In conjunction with information obtained from nuclear magnetic relaxation studies elementary steps diffusion are found be activated jumps between channel intersections. Only for sorbate concentrations > 2.5 molecules per intersection is a decrease jump lengths observed. results compared alkane measurements zeolites A X, as well water ZSM-5 X.
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