Its structure and surface acidic property are characterized by using XRD,IR,NH 3 TPD and EDX. The catalytic activity on m xylene isomerization is investigated.

• 用XRD、IR、NH3－TPD等表征了AlPO4－5分子筛的结构和表面酸性，并对其作为间二甲苯异构化催化剂的催化活性进行了考察