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采用红外光谱法,利用重氢交换反应证明在Pt-NaY/HY体系有氢溢出(spillover)效应发生,测量了100℃,和50℃时的交换速率。发现在50℃时高频羟基的交换速率大于低频羟基。并对溢出机构进行了初步的讨论。
Infrared spectroscopy was used to confirm the hydrogen spillover effect in the Pt-NaY / HY system by using the heavy hydrogen exchange reaction. The exchange rates at 100 ℃ and 50 ℃ were measured. It was found that the exchange rate of high frequency hydroxyl group was higher than that of low frequency hydroxyl group at 50 ℃. An initial discussion of spillover agencies was conducted.