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中文摘要：
在微波辅助下用等体积的CS2-丙酮为溶剂对锡林浩特褐煤进行萃取，萃取物用GC／MS分析．结果表明：萃取物中共检测到70种有机化合物，可分类为烷烃、烯烃、芳烃、酚类、醛类、酮类、脂肪酸、酯类和含氮化合物．含氮化合物含量和种类均为最多，共26种含氮化合物，相对含量为54．36％，推测因为CS2和丙酮之间存在缔合关系，促使含氮化合物从煤中被萃取出来．
英文摘要：
Xilinhaote lignite （XL） has been extracted using CS2/acetone （1 ： 1 in volume） mixed solvent under microwave irradiation （MI）. The extractable fraction is analyzed with gas chromatography/mass spectrometry （GC/MS）. 70 compounds are identified from extractable fraction, and they can be classified into 9 groups components： alkanes, alkenes, arenes, phenols, aldehydes, ketones, fatty acids, esters and organonitrogen compounds （ONCs）. The ONCs is the most abundant compounds whose relative content is 54.36%, and there are 26 ONCs detected in the extractable fraction. CS2 and acetone have π-π interaction to promote the extraction yield of ONCs from coal.
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