X-ray Fluorescence (XRF) measurements of floodplain sediments from NEP 1, NEP 2 and NEP 3 from Nördlingen, southern Germany@en

This data set presents bulk sample-based X-ray Fluorescence (XRF) measurements. For XRF sample preparation freeze-dried sediments from silt-clay overbank deposits of the Eger floodplain in Southern Germany were seaved (2mm) to discard the gravel fraction and large organic matter. Further homogenization was undertaken by grinding the samples with PM 200 planetary ball mill from Retsch. 8 g of sediment sample (<30 µm) homogenized in the ball mill were mixed with 2 g of special wax and homogenized with a shaker. Uniform pellets were formed using a Vaneox press at 20 t for 2 minutes. Elemental analyses were conducted in a He atmosphere using a Spectro Xepos energy dispersive XRF spectrometer.

本数据集呈现基于批量样品的X射线荧光（X-ray Fluorescence, XRF）测试数据。XRF样品制备过程为：取自德国南部埃格尔河漫滩粉砂-黏土河漫滩沉积的冻干沉积物经2mm孔径过筛，以剔除砾石组分与大粒径有机质；随后采用莱驰（Retsch）PM 200型行星式球磨机研磨样品，实现进一步均质化。取经球磨均质化、粒径小于30μm的沉积物样品8g，与2g专用蜡混合后通过振荡器完成均质混匀；使用Vaneox型压片机在20吨压力下保压2分钟，制备得到均匀的分析压片。元素分析在氦气氛围中开展，采用Spectro Xepos型能量色散X射线荧光光谱仪完成测试。