Aluminum-27 magic angle spinning nuclear magnetic resonance studies of zeolite TPA-ZSM-5 as a function of crystallization time.
In: Journal of Physical Chemistry (J.Phys.Chem.), Jg. 88 (1984) ; Nr. 16, S. 3395-3397
Zeitschriftenaufsatz / Fach: Chemie
Several distinct Al tetrahedral sites in the shape-selective zeolite catalyst TPA-ZSM-5 were obsd. by 27Al NMR at 130 MHz. The distinct Al sites in TPA-ZSM-5 are induced by the presence of Pr4N+.