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Identification and quantification of mixed sources of oil spills based on distributions and isotope profiles of long-chain n-alkanes
Li, Y.; Xiong, Y. (2009). Identification and quantification of mixed sources of oil spills based on distributions and isotope profiles of long-chain n-alkanes. Mar. Pollut. Bull. 58(12): 1868-1873
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X, more
Peer reviewed article  

Available in  Authors 

Keywords
    Alkanes; Identification; Oil spills; Saturated hydrocarbons; Weathering; Marine

Authors  Top 
  • Li, Y.
  • Xiong, Y.

Abstract
    Combined with quantitative determination of concentration and isotopic composition of petroleum hydrocarbons, weathering simulation experiments on artificially mixed oils and their two end-member oils are performed for identification and quantification of mixed sources. The >C18 n-alkanes show no appreciable losses during a short-term weathering process. An approach based on distribution of long-chain n-alkanes (>C18) is suggested for estimating the contribution proportion of each source in mixed oils. Stable carbon isotope profile of individual n-alkanes is a powerful tool to differentiate sources of oil spills, but unavailable to accurately allocate each contribution due to a relatively large analytical error.

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