Abstract
ESR, IR, UV-vis spectroscopies and temperature-programmed desorption of ammonia (TPDA) have been used to study the high-temperature interaction of vanadium pentoxide with the H-ZSM-5 zeolite at 720 K in a nitrogen stream. For comparison, the ESR parameters of the VO 2+ ion exchanged ZSM-5 zeolite were investigated
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