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Characterization of Composition, Morphology, and Structure of Disi Raw Sandstones in Jordan

机译:约旦迪斯原料砂岩组成,形态和结构的特征

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This work is a first step on the way to characterize raw sandstone in Jordan, and to extract silica and silicon for the use in solar cells and other industries. Seven samples of raw sandstone were brought from Disi in Jordan. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), and X-ray fluorescence (XRF). The XRD diffractograms showed that silica is the main constituent of the samples, and two samples contain Kaolinite Al_2(Si_2O_5)(OH)_4. EDS reports showed that all samples contain aluminum and carbon, but some of them contain calcium. XRF measurements revealed that some samples contain more than 97% silica, while one sample contains more than 90% silica, and the main impurity is Al_2O_3. FTIR revealed the known bands of silica, and this sandstone is free of organic compounds impurities.
机译:这项工作是在约旦的原料砂岩中表征途中的第一步,并在太阳能电池和其他行业中提取二氧化硅和硅。七个原料砂岩样品从约旦的迪斯队带来了。样品的特征在于X射线衍射(XRD),扫描电子显微镜(SEM),能量分散X射线光谱(EDS),傅里叶变换红外光谱(FTIR)和X射线荧光(XRF)。 XRD衍射图表明,二氧化硅是样品的主要成分,两个样品含有高岭石(Si_2O_5)(OH)_4。 EDS报告显示所有样品含有铝和碳,但其中一些样品含有钙。 XRF测量显示,一些样品含有超过97%的二氧化硅,而一种样品含有超过90%的二氧化硅,并且主杂质是Al_2O_3。 FTIR揭示了二氧化硅的已知条带,这种砂岩没有有机化合物杂质。

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