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

机译:约旦迪斯粗砂岩的组成,形态和结构特征

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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 (FTJR), 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:这项工作是表征约旦原始砂岩,提取二氧化硅和硅以用于太阳能电池和其他行业的第一步。从约旦的迪西带来了七个原始砂岩样品。样品通过X射线衍射(XRD),扫描电子显微镜(SEM),能量色散X射线光谱(EDS),傅里叶变换红外光谱(FTJR)和X射线荧光(XRF)进行表征。 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Al_2(Si_2O_5)(OH)_4。 EDS报告显示,所有样品均包含铝和碳,但其中一些包含钙。 XRF测量表明,一些样品中二氧化硅含量超过97%,而一个样品中二氧化硅含量超过90%,主要杂质为Al_2O_3。 FTIR揭示了已知的二氧化​​硅带,并且该砂岩不含有机化合物杂质。

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