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The effect of zeolite pre-treatment conditions on the ionization of naphthalene, to form naphthalene radical cations, is investigated on H-ZSM-5 with Si/Al ratios of 12 and 18. The ZSM-5 samples were prepared using an all-inorganic route to avoid heating the sample prior to naphthalene adsorption. Naphthalene is adsorbed into ZSM-5 by mixing solid naphthalene with the pre-treated ZSM-5 sample. The...
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