= 24, Na/AI = < .01) and H-ZSM-5 (Si/AI = 26.5: Na/AI = < .01) with 1.38 grams and 1.35 grams of sample respectively show again that the acidity of these tested samples begin to decline, thus confirming the small sample NH,+-ZSM-5 data presented here. The activity values (k,) of 77.6 and 59.5 for NH4+-ZSM-5 and H-ZSM-5 respectively are plotted in Figure 5.
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