Lagos Karina J, Marinkovic Bojan A, Dosen Anja, Guamán Marco V, Guerrero Víctor H, Pardo Emilio, Pontón Patricia I
Department of Materials, Escuela Politécnica Nacional, Quito 170109, Ecuador.
Molecular Science Institute, Coordination Chemistry Group, University of Valencia, Paterna 46980, Spain.
Data Brief. 2020 Aug 21;32:106214. doi: 10.1016/j.dib.2020.106214. eCollection 2020 Oct.
Data revealing the phase and chemical compositions of natural black sands from "El Ostional" beach, located in the northern Ecuadorian Pacific coast have been presented. The samples were collected from six points over the shore area of approximately 500 × 40 m. The data on crystalline phases (iron titanium oxide, orthoclase feldspar and zircon) were determined by X-ray powder diffraction (XRPD), while semi-quantitative chemical analyses of major (Fe and Ti) and trace elements were obtained by X-ray fluorescence spectroscopy (XRF). The phase composition was verified by scanning electron microscopy (SEM), using backscattered electron (BSE) mode and energy dispersive spectroscopy (EDS). These comprehensive data are a contribution to valorize ilmenite-hematite solid solutions from natural resources towards the identification of novel technological applications.
已公布了有关位于厄瓜多尔太平洋沿岸北部“埃尔奥西翁纳尔”海滩天然黑砂的物相和化学成分的数据。样本是从约500×40米的海岸区域的六个点采集的。通过X射线粉末衍射（XRPD）确定了晶相（铁钛氧化物、正长石和锆石）的数据，而通过X射线荧光光谱（XRF）获得了主要元素（铁和钛）和微量元素的半定量化学分析结果。使用背散射电子（BSE）模式和能量色散光谱（EDS）的扫描电子显微镜（SEM）对物相组成进行了验证。这些全面的数据有助于评估来自自然资源的钛铁矿-赤铁矿固溶体，以确定新的技术应用。
