HMCM-22 zeolite was modified with ammonium hexafluorosilicate and characterized by temperature-programmed desorption of ammonia and pyridine adsorption infrared spectroscopy.
用氟硅酸铵对HMCM-22分子筛进行了改性处理，并采用氨程序升温脱附和吡啶吸附红外光谱法测定了其酸性。
HMCM-22 zeolite was modified with ammonium hexafluorosilicate and characterized by temperature-programmed desorption of ammonia and pyridine adsorption infrared spectroscopy.
用氟硅酸铵对HMCM-22分子筛进行了改性处理，并采用氨程序升温脱附和吡啶吸附红外光谱法测定了其酸性。
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