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Group separation and analysis of a carbon disulfide-soluble fraction from Shenfu coal by column chromatography[J] DING Ming-jie1;2; ZONG Zhi-min1; ZONG Ying1; OUYANG Xiao-dong1; HUANG Yao-guo1; ZHOU Lei1; ZHENG Yu-xuan1; ZHOU Xiao1; WEI Yan-bin1; WEI Xian-yong1;3 1School of Chemical Engineering and Technology; China University of Mining & Technology; Xuzhou; Jiangsu 221008; China 2Department of Light Industry; Luohe Vocational Technology College; Luohe; Henan 462002; China 3Key Laboratory of Coa
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