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液液萃取对邻苯二甲酸酯单体稳定碳同位素比值分馏的影响初探

吴珍, 刘慧, 黄咸雨

吴珍, 刘慧, 黄咸雨. 液液萃取对邻苯二甲酸酯单体稳定碳同位素比值分馏的影响初探[J]. 岩矿测试, 2012, 31(6): 1028-1032.
引用本文: 吴珍, 刘慧, 黄咸雨. 液液萃取对邻苯二甲酸酯单体稳定碳同位素比值分馏的影响初探[J]. 岩矿测试, 2012, 31(6): 1028-1032.
WU Zhen, LIU Hui, HUANG Xian-yu. Preliminary Study on the Effect of Mass Fractionation on the Compound Specific Stable Carbon Isotopic Ratio of Phthalate Esters by Liquid-Liquid Extraction[J]. Rock and Mineral Analysis, 2012, 31(6): 1028-1032.
Citation: WU Zhen, LIU Hui, HUANG Xian-yu. Preliminary Study on the Effect of Mass Fractionation on the Compound Specific Stable Carbon Isotopic Ratio of Phthalate Esters by Liquid-Liquid Extraction[J]. Rock and Mineral Analysis, 2012, 31(6): 1028-1032.

液液萃取对邻苯二甲酸酯单体稳定碳同位素比值分馏的影响初探

基金项目: 

国家自然科学基金面上项目(41073069)

Preliminary Study on the Effect of Mass Fractionation on the Compound Specific Stable Carbon Isotopic Ratio of Phthalate Esters by Liquid-Liquid Extraction

  • 摘要: 邻苯二甲酸酯(PAEs)是地下水中主要的有机污染物,其单体的稳定碳同位素比值变化特征有望作为其溯源与过程示踪的依据,为更好地控制其对环境的污染提供可靠的信息。研究表明,在样品前处理过程中涉及一些物理变化过程,有机污染物的稳定碳同位素分馏效应不明显。本文应用液液萃取对样品进行前处理,气相色谱-同位素比值质谱联用法(GC-IRMS)测定地下水中5种邻苯二甲酸酯单体,包括邻苯二甲酸二甲酯(DMP)、邻苯二甲酸二乙酯(DEP)、邻苯二甲酸二丁酯(DBP)、邻苯二甲酸二(2-乙基己基)酯(DEHP)、邻苯二甲酸二异丁酯(DIBP)的稳定碳同位素比值,探讨PAEs在液液萃取过程中5种单体稳定碳同位素比值分馏情况。分析结果表明,萃取前后PAEs的碳同位素比值没有显著的变化,说明液液萃取可以作为GC-IRMS测定邻苯二甲酸酯单体稳定碳同位素比值的前期预处理方法。
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出版历程
  • 收稿日期:  2012-01-21
  • 修回日期:  2012-08-22
  • 发布日期:  2012-11-09

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