摘要
运用原位穆斯堡尔谱、XRD测定等方法剖析了铁铈氧化物的程序升温还原过程。结果表明,金属离子间的相互作用使得氧化铁的还原温度升高,还原反应活化能提高,抗还原能力增强。
TPR processes of Fe Ce oxides were studied by in situ Mossbauer spectroscopy and XRD Three peaks were observed in the TPR profile of the sample, indicating the three reduction stages of the Fe Ce oxide The raise of the avtivation energy and temperature of the reduction reaction of the oxides with H 2 were the evidence of strong interactions of metal ions in oxides
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
1998年第3期336-339,共4页
Chinese Journal of Inorganic Chemistry
基金
南京大学现代分析中心测试基金