Effects of polycyclic aromatic hydrocarbons on the UV-induced fluorescence spectra of crude oil films on the sea surface

被引：32

作者：

Hou, Yongchao ^{[1
]}

Li, Ying ^{[1
]}

Liu, Yu ^{[2
]}

Li, Guannan ^{[1
]}

Zhang, Zhenduo ^{[1
]}

机构：

[1] Dalian Maritime Univ, Coll Nav, Dalian 116026, Peoples R China

[2] Dalian Maritime Univ, Coll Environm Sci & Engn, Dalian 116026, Peoples R China

来源：

MARINE POLLUTION BULLETIN | 2019年 / 146卷

基金：

中国国家自然科学基金;

关键词：

Oil spills; Polycyclic aromatic hydrocarbons; Fluorescence spectra; Correlation analysis; Oil identification; CARBON-ISOTOPE COMPOSITIONS; LASER-INDUCED FLUORESCENCE; IDENTIFICATION; PETROLEUM; SAMPLES; PAH;

D O I：

10.1016/j.marpolbul.2019.07.058

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

As the main fluorescent substances in oils, polycyclic aromatic hydrocarbons (PAHs) are the basis of ultraviolet (UV)-induced fluorescence spectroscopy methods to detect oil films on the sea surface. The relative contents of PAHs in six crude oil samples and their effects on ultraviolet fluorescence spectra were studied. The PAHs were divided into four categories according to their fluorescence characteristics. Naphthalene series dominated the fluorescence spectra, which led to a main peak at 320-350 nm, but this showed no relationship with PAH content. The six oil samples could not be distinguished by differences in the fluorescence spectra in this range, but could be distinguished by the fluorescence spectra in the 350-380 nm band. The relative contents of di-benzothiophene and phenanthrene series showed significant positive correlations (R-2 = 0.96) with fluorescence intensity. Fluorescence spectroscopy combined with GC-MS can be used to distinguish and identify crude oils.

引用

页码：977 / 984

页数：8

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