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Zeolites ZSM-5 and ZSM-11 are synthesized using the organosilicon compound N-trimethoxysilylpropyltri-N-butylammonium as structure-directing agent. For ZSM-5, results from thermogravimetric analyses and 13 C and 29 Si nuclear magnetic resonance (NMR) spectroscopy prove that the organosilicon compound resides intact at the channel intersections and that the silicon atom in...
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