The perovskite like LnSrCoO 4(Ln=La,Sm)mixed oxides were prepared by the polyglycol gel method,investigated by the XRD,BET,TEM and TPD methods,and used successfully for CO and C 3H 8 oxidation.

• 采用聚乙二醇凝胶法制备LnSrCoO4(Ln=La；Sm)复合氧化物；考察了其对CO和C3H8的氧化反应活性；并运用XRD；BET；TEM和TPD等方法对其进行了表征.