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Article Navigation >  Acta Sedimentologica Sinica  > 1994  >  12(3): 99-105

Xu Yanqian, Liu Shengmei, Duan Yi. Identification and Significance of Long Chain Fatty Acid Ethyl Ester in Quaternary Sediments from Chaidamu Basin[J]. Acta Sedimentologica Sinica, 1994, 12(3): 99-105.
Citation: Xu Yanqian, Liu Shengmei, Duan Yi. Identification and Significance of Long Chain Fatty Acid Ethyl Ester in Quaternary Sediments from Chaidamu Basin[J]. Acta Sedimentologica Sinica, 1994, 12(3): 99-105.
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Identification and Significance of Long Chain Fatty Acid Ethyl Ester in Quaternary Sediments from Chaidamu Basin

  • 1 Research Institute of Petroleum Exploration and Development,Changqing Oilfield;

  • 2 Lanzhou Institute of Geology, Chinese Academy of Sciences

  • Publish Date: 1994-09-10
  • The aromatic hydrocarbon fraction of 4 Quaternary cores from Chaidamu Basin was analysed by GC一MS. As a result,a series of long chain fatty acid ethyl esters(C15一C34 ) were first found.Their mass spectrum characteristics are that base peak is m/z 88 and characteristic ion is m/z 101、157,M+,M+一43. These ion existence were confirmed by fragmenting analyses of fatty acid ethyl esters. Distribution of the carbon number of fatty acid ethyl esters in studied samples is from C15 to C34 maximizing at C28 with a strong even to odd carbon number preference. we believe occurrence of fatty acid ethyl esters in studied samples may be related to biochemical process. Fatty acid ethyl esters of Quaternary sediments in Chaidamu Basin may play an important part in formation of biogas in this region.
  • [1] 王启军，陈建渝.1988，油气地球化学，中国地质大学出版社.58~78.
    [2] 徐寿昌，1982，有机化学，高等教育出版社.293~307.
    [3] Cranwell P. A. and Volkman J. K.，1981，Chem. Geo1.32.29~43.
    [4] Morris R. J.，1972, Mar Biol. 16. 102~107.
    [5] Varanasi U. and Malins D. C.，1970. Biochem. 9 9576一4579.
    [6] Wakeham S. G.， 1982. Geochim. Cosmochim. Acts 46. 2239~2257.
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  • Published:  1994-09-10

Identification and Significance of Long Chain Fatty Acid Ethyl Ester in Quaternary Sediments from Chaidamu Basin

  • 1 Research Institute of Petroleum Exploration and Development,Changqing Oilfield;
  • 2 Lanzhou Institute of Geology, Chinese Academy of Sciences
  • Publish Date: 1994-09-10

Abstract: The aromatic hydrocarbon fraction of 4 Quaternary cores from Chaidamu Basin was analysed by GC一MS. As a result,a series of long chain fatty acid ethyl esters(C15一C34 ) were first found.Their mass spectrum characteristics are that base peak is m/z 88 and characteristic ion is m/z 101、157,M+,M+一43. These ion existence were confirmed by fragmenting analyses of fatty acid ethyl esters. Distribution of the carbon number of fatty acid ethyl esters in studied samples is from C15 to C34 maximizing at C28 with a strong even to odd carbon number preference. we believe occurrence of fatty acid ethyl esters in studied samples may be related to biochemical process. Fatty acid ethyl esters of Quaternary sediments in Chaidamu Basin may play an important part in formation of biogas in this region.

Xu Yanqian, Liu Shengmei, Duan Yi. Identification and Significance of Long Chain Fatty Acid Ethyl Ester in Quaternary Sediments from Chaidamu Basin[J]. Acta Sedimentologica Sinica, 1994, 12(3): 99-105.
Citation: Xu Yanqian, Liu Shengmei, Duan Yi. Identification and Significance of Long Chain Fatty Acid Ethyl Ester in Quaternary Sediments from Chaidamu Basin[J]. Acta Sedimentologica Sinica, 1994, 12(3): 99-105.
shu

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