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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2015  >  37(6): 796-801
Zhang Wanfeng, Tong Ting, Li Donghao, Dai Wei, Guo Pengfei, He Sheng, Zhu Shukui. A novel method for the determination of diamondoids in crude oils[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(6): 796-801. doi: 10.11781/sysydz201506796
Citation: Zhang Wanfeng, Tong Ting, Li Donghao, Dai Wei, Guo Pengfei, He Sheng, Zhu Shukui. A novel method for the determination of diamondoids in crude oils[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(6): 796-801. doi: 10.11781/sysydz201506796
shu

A novel method for the determination of diamondoids in crude oils

doi: 10.11781/sysydz201506796
  • 1.

    Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education, China University of Geosciences, Wuhan, Hubei 430074, China

  • 2. State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, Hubei 430074, China

  • 3. State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Geosciences, Guangzhou, Guangdong 510640, China

  • 4. Key Laboratory of Nature Resource of the Changbai Mountain and Functional Molecular of Ministry of Education, Yanbian University, Yanji, Jilin 133002, China

  • Received Date: 2014-10-08
  • Rev Recd Date: 2015-09-12
  • Publish Date: 2015-11-28
    Abstract
  • A novel device, termed as gas purge microsyringe extraction (GP-MSE), has been developed and applied to the preparation of different kinds of oil samples, including condensates, light and normal oils for the first time.Oils from the Pearl River Mouth Basin were firstly extracted by GP-MSE and then qualitatively and quantitatively analyzed by comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry (GC×GC-TOFMS).The proposed method has many advantages over traditional column chromatography, such as simple and fast steps, satisfactory recoveries, and lower consumption of solvents and samples.The relative standard deviations (RSD%) of adamantane and diamantane are 1.57% and 2.63%, respectively.Crude oil samples are purified and enriched effectively. The relative deviation is less than 9%, and the correlation coefficient is over 0.997.

     

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