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Geochemical Characteristics of the Saturate Hydrocarbon of Crude Oils and Bituminous Sandstone Extracts Separated by Chromatographic Columns with Different Packed Methods(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2008年第04期
Page:
389-395
Research Field:
基础地质与矿产地质
Publishing date:

Info

Title:
Geochemical Characteristics of the Saturate Hydrocarbon of Crude Oils and Bituminous Sandstone Extracts Separated by Chromatographic Columns with Different Packed Methods
Author(s):
ZHU Lei1WANG Yue-hui1YANG Yong-cai1QIN Li-ming1ZHANG Hong-you2
1.State Key Laboratory for Petroleum Resource and Prospecting, China University o f Petroleum, Beijing 102249, China; 2.Technical Department o f Tianjin Branch o f China National Offshore Oil Corporation Limited, Tianjin 300452, China)
Keywords:
chromatographic column alumina silica gel fractions biomarkers
PACS:
P618.130.1
DOI:
-
Abstract:
The fractions of crude oil and bituminous sandstone extract were separated by chromatographic columns with four packed methods,that is,respectively,alumina(5 g), alumina(3 g)at the top and silica gel(2 g)in the bottom, silica gel(3 g)at the top and alumina(2 g)in the bottom, silica(5 g). The saturated hydrocarbons were analyzed by gas chromatography-mass spectrometry, and the compositions of biomarkers were compared. The results show that the four column chromatographic methods yield slight affection to the distributions of isoprenoid alkanes, tricyclic terpanes, hopanes and regular steranes in the saturated hydrocarbon fraction, but apparent affection to the occurrence of high molecular weight n-alkanes and diasteranes.

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Last Update: 2008-12-20