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Xiangping Yin

As seen in: ACS Publications
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Articles

Dissolved Elemental Mercury [Hg(0)aq] Reactions and Purgeability in the Presence of Organic and Inorganic Particulates

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By Hongxia Du, Xiangping Yin, Xin Gu, Dingyong Wang
| dx.doi.org
Abstract Dissolved elemental mercury [Hg(0)aq] widely exists in natural waters, but its reactivity and purgeability in the presence of suspended particulate matter (SPM) remain controversial. This study investigated reactions between Hg(0)aq and various types of organic and inorganic SPM and found that Hg(0)aq reacted weakly with the inorganic mineral SPM (i.e., kaolinite, montmorillonite, and hematite) but strongly with organic matter (OM) or OM-coated minerals in water.
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Rates and Dynamics of Mercury Isotope Exchange between Dissolved Elemental Hg(0) and Hg(II) Bound to Organic and Inorganic Ligands

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By Quanying Wang, Lijie Zhang, Xujun Liang, Xiangping Yin
| ACS Publications
Mercury (Hg) isotope exchange is a common process in biogeochemical transformations of Hg in the environment, but it is unclear whether and at what rates dissolved elemental Hg(0)aq may exchange with divalent Hg(II) bound to various organic and inorganic ligands in water. Using enriched stable isotopes, we investigated the rates and dynamics of isotope exchange between 202Hg(0)aq and 201Hg(II) bound to organic and inorganic ligands with varying chemical structures and binding affinities.
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