Microwave-assisted extraction of polycyclic aromatic compounds from coal

被引：0

作者：

Melanie Kerst

J. T. Andersson

机构：

[1] Department of Analytical Chemistry,

[2] University of Münster,undefined

[3] Wilhelm-Klemm-Strasse 8,undefined

[4] 48149 Münster,undefined

[5] Germany e-mail: anderss@uni-muenster.de,undefined

来源：

Fresenius' Journal of Analytical Chemistry | 2001年 / 370卷

关键词：

Pyridine; Dichloromethane; Aromatic Compound; Extraction Time; Soxhlet Extraction;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Microwave-assisted extraction (MAE) of polycyclic aromatic compounds (PACs) from coal is shown to give the same pattern of compounds as Soxhlet extraction. MAE requires only 10 mL solvent and 10 min extraction time whereas Soxhlet uses 200 mL and takes 24 h. Although the yields were lower, dichloromethane (DCM) was preferred to pyridine, N-methyl-2-pyrrolidone (NMP), and NMP with CS2 because the pattern of the PACs is shown to be independent of solvent and DCM is a much more convenient solvent to work with.

引用

页码：970 / 972

页数：2

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