Identification and comparison of low-mol
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Huey-Ching K. Chang; Masaharu Nishioka; Keith D. Bartle; Stephen A. Wise; Jose M
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Article
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1988
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Elsevier Science
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English
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A two-step pyridine and then tetrahydrofuran solvent extraction procedure at room temperature under nitrogen gas flow was used to extract two different U.S. coals, PSOC-592 (Illinois No. 5) and Wyoming). Aliphatic and aromatic hydrocarbons were separated using neutral alumina column chromatography.