
Insights into Pb (II) binding by Fe/Al hydroxide–microbe …
2019年4月5日 · XAS observations indicate that the carboxylic groups of the bacterial fraction and the ferric hydroxyl groups of the Fe/Al hydroxide are mainly responsible for Pb adsorption to …
Speciation of toxic pollutants in Pb/Zn smelter slags by X-ray ...
2023年10月15日 · Elucidation of elemental speciation at low concentration in complex matrices by XAS is shown. Pb/Zn smelter slag is a hazardous industrial waste from the Imperial Smelting …
CAMD Specialty: Low Energy XAS - LSU
One example is Pb. On the main XAS page there is a figure showing all the absorption edges of Pb that are in the X-ray range. At CAMD the L and M edges are available for research.
XAS and XRD Structural Characterization of Lanthanum-Modified …
For the first time combined X-ray absorption spectroscopy (XAS) and X-ray diffraction (XRD) experiments were carried out to probe the short- and long-range order in lanthanum-modified …
In situ X-ray absorption spectroscopic study of adsorbed Pb on …
1994年8月8日 · In situ X-ray absorption spectroscopy (XAS) was used to study the structure of adsorbed Pb on carbon-supported Pt in 1 M HClO 4 + 5 × 10 −3 M Pb 2+, in the potential …
X-ray absorption energy and time traces. (a) Br K-edge and (b) Pb …
Our calculations of the p-DOS show that the top of the valence band (VB) is composed of Br 4p orbitals, with a non-negligible proportion of Pb 6s orbitals and a minor contribution of Pb 6p ...
XAS study of lead speciation in a central Italy calcareous soil
2010年11月16日 · The quantitative analysis of soil samples XANES allowed to individuate four components as the main responsible for Pb retention in calcareous soils: the carbonate …
XAS(同步辐射精细吸收谱)在表征活性位点中的应用 - 知乎
XAS(synchrotron X-ray absorption spectroscopy)以X射线光子能量作为变量,测定材料的X射线吸收系数。 每个吸收边与材料中存在的特定原子有关,更具体地说,与将特定原子核轨道电 …
mp-20483: Pb (cubic, Fm-3m, 225) - Materials Project
Pb is Copper structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Pb is bonded to twelve equivalent Pb atoms to form a mixture of corner, edge, …
(a) High-resolution XAS spectra at the lead L 3 edge of PbCrO 3 as …
We have investigated the local electronic structure of PbCrO3 by conducting x-ray absorption spectroscopy at the lead L3 and chromium L2,3 edges. We found that lead is divalent and …
- 某些结果已被删除