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渤海原油的蒸发风化对油指纹的影响
孙培艳1, 曹丽歆1, 李 梅1, 周 青1, 赵玉慧1, 王鑫平1
国家海洋局北海环境监测中心
摘要:
选取渤海3个不同区块不同平台的原油样品，进行室内蒸发风化模拟实验。采用气相色谱法和气相色谱-质谱联用法，分析了在不同风化程度（最大风化、最大风化的1/3、最大风化的2/3）下正构烷烃、生物标志化合物以及用于溢油鉴别的诊断比值在风化过程中的变化特征，探讨了渤海不同原油的蒸发变化过程，对渤海溢油鉴定具有重要的借鉴作用。
关键词:  正构烷烃  生物标志物；诊断比值；风化
DOI：
分类号:
基金项目:国家海洋局重点科研资助项目“油指纹库关键技术研究”
Studies on effects of Bohai crude oil fingerprint in simulantion evaporation weathering in laboratory
SUN Pei-yan,CAO Li-xin,LI Mei,ZHOU Qing,ZHAO Yu-hui,WANG Xin-ping
Abstract:
We choose three kinds of crude oil from different oil platforms in Bohai Sea to run a simulant evaporation weathering experiment. Oil fingerprint change rules of n-alkanes and biomarkers of the three kinds crude oil were studied at different weathering degrees ( the Max weathering , 1/3 of the Max weathering , 2/3 of the Max weathering) and the stabilities of diagnostic ratios were also investigated by GC and GC/MS . We can know the rule of the crude oil evaporation weathering in Bohai Sea.
Key words:  n-alkanes  biomarkers  diagnostic ratio  weathering
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