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XANES study of Hg sorption products on montmorillonite at high temperatures
Chu WS(储旺盛); Wu ZY(吴自玉); Chu, WS; Wu, ZY; Liu, WH; Malferrari, D; Brigatti, MF; Cibin, G; Marcelli, A
2005
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
卷号29页码:#REF!
通讯作者Chu, WS (reprint author), Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China.
摘要The Hg L-3-edge XANES spectra of montmorillonite treated with Hg(NO3)(2) 0.01M aqueous solution and the mixing solution of Hg(NO3)(2) 0.01M aqueous solution and cysteine 0.01M aqueous solution have been measured at several high temperatures. The adsorption and desorption of mercury in Hg-rich montmorillonite minerals and the effect of cysteine on the adsorption of mercury by this clay mineral were studied. Our analysis shows that mercury is six fold coordinated by water molecules and the oxygen atoms of montmorillonite surface without the amino acid introduction. Mercury atoms prefer to bond with sulphur atoms of the amino acid cysteine to form more stable Hg-S bonds when the amino acid cysteine has been introduced. This result suggests that the treatment with the amino acid enhances the stability of mercury sorbed by the montmorillonite mineral and efficiently retard the release of mercury ions into the geosphere.
文章类型Article
关键词mercury montmorillonite XANES
学科领域Physics
收录类别SCI
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000234206900022
引用统计
被引频次:3[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/311005/226026
专题多学科研究中心
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GB/T 7714
Chu WS,Wu ZY,Chu, WS,et al. XANES study of Hg sorption products on montmorillonite at high temperatures[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2005,29:#REF!.
APA 储旺盛.,吴自玉.,Chu, WS.,Wu, ZY.,Liu, WH.,...&Marcelli, A.(2005).XANES study of Hg sorption products on montmorillonite at high temperatures.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,29,#REF!.
MLA 储旺盛,et al."XANES study of Hg sorption products on montmorillonite at high temperatures".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 29(2005):#REF!.
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