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- W2020221839 abstract "Using cerium carbonate, lanthanum oxide and manganese nitrate as raw materials, ultrafine particles of Ce–La–Mn mixed oxides were prepared by the sol–gel method combined with supercritical drying technology. The prepared materials were characterised by thermo-gravimetric and differential thermal analysis, X-ray diffraction, Fourier transform infrared spectroscopy and transmission electron microscope. The catalytic properties of ultrafine Ce–La–Mn mixed oxides were tested by the reaction ‘2CO + 2NO = 2CO2 + N2’. The key aim was to examine the effect of supercritical fluid drying technology and Ce-doping on the crystal structure, morphology and catalytic activity of ultrafine Ce–La–Mn mixed oxides. The results show that at 260°C, Ce–La–Mn mixed oxides are brown loose flocculent powders with good dispersibility. The particles are spherical about 10 nm in size. The main crystal components are CeO2, MnO, La5O7NO3 and La(OH)2NO3. After thermal treating at 850°C, Ce–La–Mn mixed oxides were made up of plenty of q..." @default.
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- W2020221839 date "2012-05-01" @default.
- W2020221839 modified "2023-09-27" @default.
- W2020221839 title "Preparation, characterisation and catalytic property of ultrafine Ce–La–Mn mixed oxides" @default.
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- W2020221839 doi "https://doi.org/10.1080/17458080.2010.497949" @default.
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