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- W1969218131 abstract "Nano-MnFe 2 O 4 particles were synthesized by co-precipitation phase inversion method and low-temperature combustion method respectively, using MnCl 2 , FeCl 3 , Mn(NO 3 ) 2 , Fe(NO 3 ) 3 , NaOH and C 6 H 8 O 7 . X-ray diffraction (XRD), transmission electron microscope (TEM), Fourier transform infrared spectroscopy (FT-IR), thermogravimetry-differential thermal analysis (TG-DTA) and differential scanning calorimetry (DSC) were used to characterize the structure, morphology, thermal stability of MnFe 2 O 4 and its catalytic performance to ammonium perchlorate. Results showed that single-phased and uniform spinel MnFe 2 O 4 was obtained. The average particle size was about 30 and 20 nm. The infrared absorption peaks appeared at about 420 and 574 cm −1 , and the particles were stable below 524°C. Using the two prepared catalysts, the higher thermal decomposition temperature of ammonium perchlorate was decreased by 77.3 and 84.9°C respectively, while the apparent decomposition heat was increased by 482.5 and 574.3 J·g −1 . The catalytic mechanism could be explained by the favorable electron transfer space provided by outer d orbit of transition metal ions and the high specific surface absorption effect of MnFe 2 O 4 particles." @default.
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- W1969218131 date "2011-12-01" @default.
- W1969218131 modified "2023-10-16" @default.
- W1969218131 title "Preparation of Nano-MnFe2O4 and Its Catalytic Performance of Thermal Decomposition of Ammonium Perchlorate" @default.
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- W1969218131 doi "https://doi.org/10.1016/s1004-9541(11)60090-6" @default.
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