碳稳定同位素法鉴别海上溢油的燃料油及原油

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大连海事大学学报 ›› 2014, Vol. 40 ›› Issue (4) : 109-112.

海洋环境

碳稳定同位素法鉴别海上溢油的燃料油及原油

刘晓星,唐小华,廉晗熠,公维民

作者信息 +

The Identification of Oil Spill of Marine Fuel and Crude Oil by Carbon Stable Isotopes Ratio

LIU Xiao-xing, TANG Xiao-hua, LIAN Han-yi, GONG Wei-min

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摘要

采用稳定同位素比质谱法对船用燃料油和马来西亚、伊拉克、大庆原油中的正构烷烃单体烃的碳稳定同位素比（δ13C）进行了分析。通过船用燃料油和原油的δ13C的对比，归纳和总结两者δ13C的各自特征。实验结果显示：船用燃料油的δ13C为-32.0±0.6，其单体烃的δ13C波动范围大。马来西亚原油的δ13C为-27.0±0.4，伊拉克原油的δ13C为-27.9±0.5，大庆原油的δ13C为-31.4±0.4，都具有单体烃的δ13C波动范围小的特点，且从原油产地的地理位置看，越靠近赤道的其δ13C越高。因此，可根据油品中的δ13C特征差异对海上溢油的种类进行鉴别。

Abstract

Gas chromatography/stable isotope ratio mass spectrometry (GC/IrMS) was used to analyze the stable carbon isotope ratio (δ13C) of individual n-alkane in marine fuel and crude oil from Malaysia, Iraq and China’s Daqing. The characteristics of δ13C of marine fuel and crude oil were summarized according to the differences between both. The δ13C of marine fuel is -32.0±0.6 and has a large fluctuation. The δ13C of crude oil of Malaysia, Iraq and Daqing is -27.0±0.4, -27.9±0.5, and -31.4±0.4, respectively, and has a small fluctuation. From the geographical point of view, the crude oil origin closer to the equator, the higher its δ13C. It is feasible for the identification of oil spill according to δ13C differences.

导出引用

刘晓星唐小华廉晗熠公维民. 碳稳定同位素法鉴别海上溢油的燃料油及原油[J]. 大连海事大学学报. 2014, 40(4): 109-112

LIU Xiao-xing, TANG Xiao-hua, LIAN Han-yi, GONG Wei-min. The Identification of Oil Spill of Marine Fuel and Crude Oil by Carbon Stable Isotopes Ratio[J]. Journal of Dalian Maritime University. 2014, 40(4): 109-112

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