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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2012  >  34(4): 422-426
Wu Yingqin, Wang Yongli, Lei Tianzhu, Wang Youxiao, Xia Yanqing. Separation of diastereoisomers of acyclic isoprenoid alkanes by GC-MS and optimization of operation conditions[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2012, 34(4): 422-426. doi: 10.11781/sysydz201204422
Citation: Wu Yingqin, Wang Yongli, Lei Tianzhu, Wang Youxiao, Xia Yanqing. Separation of diastereoisomers of acyclic isoprenoid alkanes by GC-MS and optimization of operation conditions[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2012, 34(4): 422-426. doi: 10.11781/sysydz201204422
shu

Separation of diastereoisomers of acyclic isoprenoid alkanes by GC-MS and optimization of operation conditions

doi: 10.11781/sysydz201204422
  • 1.

    Key Laboratory of Petroleum Resources Research, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China

  • 2. Graduate School of Chinese Academy of Sciences, Beijing 100039, China

  • Received Date: 2011-12-21
  • Rev Recd Date: 2012-06-10
  • Publish Date: 2012-07-28
    Abstract
  • The separation of diastereoisomers of acyclic isoprenoid alkanes on HP-5 columns was firstly reported by gas chromatography and mass spectrometry(GC-MS).The biomarkers of saturated hydrocarbons from coal samples of the Junggar Basin and crude oils of Gudao area were determined,and iC18(2,6,10-trimethyl pentadecane),Pr(2,6,10,14-tetramethyl pentadecane),Ph(2,6,10,14-tetramethyl hexadecane) and their diastereoisomers were identified from coal samples and crude oils.The effects of type and length of chromatographic column and temperature programming on the separation of diastereoisomers of acyclic isoprenoid alkanes were investigated.The most favorable separation conditions were concluded.The diastereoisomers were separated from nor-pristane,Pr and Ph,and the maximal resolution factors of Pr and Ph are 0.7,0.9,respectively.

     

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