The spinel ferrite ultrafine particle catalysts were prepared by sol-gel method and characterized by DTA-TG, IR, XRD and BET surface area measurement methods.

• 采用溶胶 -凝胶法制备了含Zn、Ni、Co的铁酸盐纳米微粒催化剂 ；运用DTA -TG、IR、XRD以及BET比表面测试等手段对所制备的样品进行了表征 .