南海北部大气颗粒物中有机磷酸酯特征研究

来源 :首届广东省环境化学研讨会 | 被引量 : 0次 | 上传用户:zhaohui1590
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由于多氯联苯醚等的禁用,全世界对有机磷酸酯的需求日益增加,作为替代品的有机磷酸酯(organophosphate esters,OPEs)成为广泛应用的增塑剂和阻燃剂[1].随着产量和用量的快速上升,OPEs已被发现广泛存在于多种环境介质中,且浓度不断升高,其环境和健康风险也逐步显现.部分有机磷酸酯已被确认存在生物毒性,且难在环境中降解[2].
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二噁英全称分别是多氯二苯并-对-二噁英(polychlorinated dibenzo-p-dioxin, PCDDs)和多氯二苯并呋喃(polychlorinated dibenzofuran,PCDFs),难溶于水,易溶解于脂类中,且具有致癌,致畸形和致基因突变的毒性作用,受到各国政府和公众的高度关注,同时也被列入《关于持久性有机污染物的斯德哥尔摩公约》需优先控制的持久性有机污染物之一.
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