期刊
MATERIALS SCIENCE-POLAND
卷 32, 期 4, 页码 682-687出版社
OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ
DOI: 10.2478/s13536-014-0250-9
关键词
strontium oxide; chemical combustion; XRD; IR spectral analysis; thermal analysis
资金
- ININ, Mexico [DIO2B]
A rapid, safe and simple technique for the production of high purity strontium oxide powders via a chemical combustion process is reported. The combustion reactions were performed to optimize the fuel to oxidizer ratios in the reaction mixtures required to obtain pure SrO powders by varying the molar ratio of chemical precursors and the temperature. The synthesized powders were characterized by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectrometry, infrared spectroscopy, differential scanning calorimetry, thermogravimetric analysis, and N-2-physisorption measurements. The results indicate that crystalline SrO was obtained using a 1:1 strontium nitrate: urea molar ratio at 1000 A degrees C after 5 minutes. In addition, high-purity, homogeneous and crystalline SrO powders were easily produced in a short time via a chemical combustion process.
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