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Organophosphate esters and phthalate esters in human hair from rural and urban areas, Chongqing, China: Concentrations, composition profiles and sources in comparison to street dust

机译:中国重庆市城乡人发中的有机磷酸酯和邻苯二甲酸酯:与街道粉尘相比,浓度,组成特征和来源

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摘要

Human hair and street dust from rural and urban areas in Chongqing were collected to analyze Organophosphate esters (OPEs) and phthalate esters (PAEs). Concentrations of OPEs in urban hair were significantly higher than those in rural hair, whereas PAEs concentrations in rural hair were significantly higher than those in urban hair. Different composition patterns of OPEs were observed in rural and urban hair, where tris (2-chloroisopropyl) phosphate (TCIPP), tris (butyl) phosphate (TNBP) and triphenyl phosphate (TPHP) were the dominating analogues in rural hair, accounting for 62.1% of the OPEs burden, and tris (methylphenyl) phosphate (TMPP) exhibited a high contribution in urban hair, responsible for 51.3% of total OPEs, which differed from the composition profiles in corresponding street dust. Analogous composition patterns of PAEs were found in hair of both areas. Di-(2-ethylhexyl) phthalate (DEHP), dibutyl phthalate (DNBP), diisobutyl phthalate (DIBP) and diethyl phthalate (DEP) were the most abundant analogues in hair samples, while DEHP was the predominant analogue in dust samples. No clear tendency was obtained between the increasing ages and the concentrations of both compounds. Most OPEs and PAEs congeners showed significantly positive correlation with one another in rural hair. On the contrary, different correlation patterns were observed in urban hair for OPEs and PAEs, indicating multiple or additional sources existed in urban areas. Significant correlations of OPEs and PAEs were found between hair and corresponding street dust samples, but poor correlations of OPEs and PAEs were observed between rural hair and rural indoor dust, suggesting that street dust may be a predominant exogenous source for human exposure to OPEs and PAEs in this area. (C) 2018 Elsevier Ltd. All rights reserved.
机译:收集重庆市城乡的人发和街道灰尘,以分析有机磷酸酯(OPE)和邻苯二甲酸酯(PAE)。城市头发中的OPEs浓度显着高于农村头发,而农村头发中的PAEs浓度显着高于城市头发。在农村和城市头发中观察到不同的OPEs组成模式,其中三(2-氯异丙基)磷酸酯(TCIPP),磷酸三(丁基)酯(TNBP)和磷酸三苯酯(TPHP)是主要的类似物,占62.1。 %的OPE负担,而磷酸三(甲基苯基)酯(TMPP)在城市头发中表现出较高的贡献,占OPE总数的51.3%,这与相应街道灰尘中的成分特征不同。在两个区域的头发中都发现了类似的PAE组成模式。邻苯二甲酸二(2-乙基己基)酯(DEHP),邻苯二甲酸二丁酯(DNBP),邻苯二甲酸二异丁酯(DIBP)和邻苯二甲酸二乙酯(DEP)是头发样品中含量最高的类似物,而DEHP是粉尘样品中的主要类似物。在增加的年龄和两种化合物的浓度之间没有获得明显的趋势。在农村头发中,大多数OPE和PAE同源物之间显示出显着正相关。相反,在OPE和PAE的城市头发中观察到不同的相关模式,这表明在城市地区存在多种或其他来源。在头发和相应的街道灰尘样品之间发现了OPEs和PAE的显着相关性,但是在农村头发和农村室内灰尘之间发现了OPEs和PAE的相关性很差,这表明街道灰尘可能是人类暴露于OPEs和PAEs的主要外源在这方面。 (C)2018 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Environmental pollution》 |2018年第6期|143-153|共11页
  • 作者单位

    Southwest Univ, Coll Resources & Environm, Chongqing 400716, Peoples R China;

    Southwest Univ, Coll Resources & Environm, Chongqing 400716, Peoples R China;

    Southwest Univ, Coll Resources & Environm, Chongqing 400716, Peoples R China;

    Southwest Univ, Coll Resources & Environm, Chongqing 400716, Peoples R China;

    Southwest Univ, Coll Resources & Environm, Chongqing 400716, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Organophosphate esters; Phthalate esters; Human hair; Street dust; Sources;

    机译:有机磷酸酯;邻苯二甲酸酯;人发;路尘;来源;

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