Even if the number of acid sites was not quantified, a decreasing trend of total acidity and external Brønsted acid sites was found with the increase in the amount of silicalite-1 coated on the surface of the ZSM-5 zeolite ( Figure 1 ).
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Even if the number of acid sites was not quantified, a decreasing trend of total acidity and external Brønsted acid sites was found with the increase in the amount of silicalite-1 coated on the surface of the ZSM-5 zeolite ( Figure 1 ).