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沉积物中16种多环芳烃单体碳同位素GC-C-IRMS测定

陆燕 王小云 曹建平

陆燕, 王小云, 曹建平. 沉积物中16种多环芳烃单体碳同位素GC-C-IRMS测定[J]. 石油实验地质, 2018, 40(4): 532-537. doi: 10.11781/sysydz201804532
引用本文: 陆燕, 王小云, 曹建平. 沉积物中16种多环芳烃单体碳同位素GC-C-IRMS测定[J]. 石油实验地质, 2018, 40(4): 532-537. doi: 10.11781/sysydz201804532
LU Yan, WANG Xiaoyun, CAO Jianping. Compound-specific carbon stable isotope analysis of 16 polycyclic aromatic hydrocarbons in sediments by Gas Chromatography-Combustion-Isotope Ratio Mass Spectrometry (GC-C-IRMS)[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(4): 532-537. doi: 10.11781/sysydz201804532
Citation: LU Yan, WANG Xiaoyun, CAO Jianping. Compound-specific carbon stable isotope analysis of 16 polycyclic aromatic hydrocarbons in sediments by Gas Chromatography-Combustion-Isotope Ratio Mass Spectrometry (GC-C-IRMS)[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(4): 532-537. doi: 10.11781/sysydz201804532

沉积物中16种多环芳烃单体碳同位素GC-C-IRMS测定

doi: 10.11781/sysydz201804532
基金项目: 

广东省普通高校特色创新项目(650465)、茂名市科技计划项目(2014038)和广东石油化工学院人才引进项目(513036)资助。

详细信息
    作者简介:

    陆燕(1978-),女,博士,副教授,从事环境污染微生物作用机制研究。E-mail:hyss.yanlu@163.com。

    通讯作者:

    曹建平(1963-),男,高级工程师,从事气体稳定同位素分析测试工作。E-mail:caojp_iso@163.com。

  • 中图分类号: TE135

Compound-specific carbon stable isotope analysis of 16 polycyclic aromatic hydrocarbons in sediments by Gas Chromatography-Combustion-Isotope Ratio Mass Spectrometry (GC-C-IRMS)

  • 摘要: 为监测海洋沉积物中的多环芳烃(PAHs)、追踪污染物来源并控制污染,建立了沉积物中16种多环芳烃单体碳同位素GC-C-IRMS测定方法。首先采用EA-IRMS联用技术对16种多环芳烃单体碳同位素进行了定值,偏差范围在0.03‰~0.15‰(n=10),小于0.2‰;再用该16种多环芳烃混标,运用GC-C-IRMS联用技术考察了高效薄层色谱、气相色谱进样体积、无分流时间、进样浓度等可能产生的同位素分馏,结果表明,整个方法并无明显的同位素分馏现象。根据不同浓度PAHs混标在GC-C-IRMS测定中的变化与EA-IRMS测定的差,建立了数据校正曲线,其R2大于0.99,并应用于沉积物中16种多环芳烃单体碳同位素的测定,测试数据为海域沉积物中多环芳烃溯源提供了有力证据。

     

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出版历程
  • 收稿日期:  2018-03-10
  • 修回日期:  2018-05-24
  • 刊出日期:  2018-07-28

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