锑与溶解性有机质的络合作用研究进展

Research progress on the complexation of antimony and dissolved organic matter

锑(Sb)是一种来源广泛的有毒元素,与环境中的溶解性有机质(DOM)会发生复杂的络合作用,探究两者间的络合作用及其影响因素对了解Sb在环境中的迁移转化规律至关重要。为厘清环境Sb与DOM的络合机制及其影响因素,重点综述了:环境中Sb的来源、形态与迁移转化过程;环境中不同来源DOM的类型及其组成;pH值、太阳辐射、共存离子、盐度和DOM种类等环境因子对Sb与DOM络合作用的影响。在此基础上展望了后续研究的发展方向。

Antimony(Sb)is a toxic element from a wide range of sources,and undergoes complex interactions with dissolved organic matter(DOM)in the environment.It is important to investigate the complex interactions between the two and their influencing factors in order to understand the transport and transformation patterns of Sb in the environment.In order to clarify the complexation mechanism and influencing factors of environmental Sb and DOM,this paper focuses on synthesizing the source,morphology and transport transformation process of Sb in the environment,the types and composition of DOM from different sources in the environment,and the effects of environmental factors such as pH values,solar radiation,co-existing ions,salinity and DOM species on the complexation of Sb and DOM.The parer further looks forward to the development direction of the subsequent research.