Modification of Hg complexes in layered silicates with temperature: An in situ XAS study
Malferrari, D; Brigatti, MF; Marcelli, A; Chu, WS; Wu, ZY; Chu WS(储旺盛); Wu ZY(吴自玉)
刊名MICROPOROUS AND MESOPOROUS MATERIALS
2008
卷号107期号:1-2页码:#REF!
关键词montmorillonite Hg thermal behavior vermiculite XAS
学科分类Chemistry; Science & Technology - Other Topics; Materials Science
DOI10.1016/j.micromeso.2007.05.020
通讯作者Brigatti, MF (reprint author), Univ Modena & Reggio Emilia, Dipartimento Sci Terra, Via S Eufemia 19, I-41100 Modena, Italy.
文章类型Article; Proceedings Paper
英文摘要This work will address the thermal evolution (variation in oxidation state, disproportionation reactions) of Hg(II), adsorbed by two different layer silicates (montmorillonite and vermiculite) via XAS spectroscopy at increasing temperature. From the XANES analysis we could recognize significant structural differences between Hg-treated montmorillonite and vermiculite even at room temperature. At increasing temperature Hg is not easily removed from the silicate layer and it could be identified in layer structure up to T = 400 degrees C in montmorillonite and up to T = 700 degrees C in vermiculite. Furthermore, it is evident from EXAFS spectra collected at room temperature that Hg-H2O complexes are present in both montmorillonite and vermiculite, whereas the HgO form appears only in vermiculite. (c) 2007 Elsevier Inc. All rights reserved.
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
收录类别SCI
WOS记录号WOS:000251870200016
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226356
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Malferrari, D,Brigatti, MF,Marcelli, A,et al. Modification of Hg complexes in layered silicates with temperature: An in situ XAS study[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2008,107(1-2):#REF!.
APA Malferrari, D.,Brigatti, MF.,Marcelli, A.,Chu, WS.,Wu, ZY.,...&吴自玉.(2008).Modification of Hg complexes in layered silicates with temperature: An in situ XAS study.MICROPOROUS AND MESOPOROUS MATERIALS,107(1-2),#REF!.
MLA Malferrari, D,et al."Modification of Hg complexes in layered silicates with temperature: An in situ XAS study".MICROPOROUS AND MESOPOROUS MATERIALS 107.1-2(2008):#REF!.
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