Isolation and Identification of Fatty Acid Amides from Shengli Coal

Shengli coal, a Chinese brown coal, was extracted with carbon disulfide and the extract was gradiently eluted with n-hexane and ethyl acetate (EA)/n-hexane mixed solvents with different concentrations of EA in a silica gel-filled column. A series of fatty acid amides, including fourteen alkanaimdes...

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Bibliographic Details
Published in:Energy & fuels 2008-07, Vol.22 (4), p.2419-2421
Main Authors: Ding, Ming-Jie, Zong, Zhi-Min, Zong, Ying, Ou-Yang, Xiao-Dong, Huang, Yao-Guo, Zhou, Lei, Wang, Feng, Cao, Jiang-Pei, Wei, Xian-Yong
Format: Article
Language:English
Subjects:
01 COAL, LIGNITE, AND PEAT
AMIDES
Applied sciences
BROWN COAL
CARBOXYLIC ACIDS
COAL EXTRACTS
Energy
Exact sciences and technology
Fossil Fuels
Fuels
GAS CHROMATOGRAPHY
MASS SPECTROSCOPY
Processing
QUALITATIVE CHEMICAL ANALYSIS
SOLVENT EXTRACTION
Wood. Peat. Brown coal
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Summary:Shengli coal, a Chinese brown coal, was extracted with carbon disulfide and the extract was gradiently eluted with n-hexane and ethyl acetate (EA)/n-hexane mixed solvents with different concentrations of EA in a silica gel-filled column. A series of fatty acid amides, including fourteen alkanaimdes (C15−C28) and three alkenamides (C18 and C22), were isolated from the coal by this method and analyzed with a gas chromatography/mass spectrometry.
ISSN:0887-0624
1520-5029
DOI:10.1021/ef700499y