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化学工业与工程
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��ѧ��ҵ�빤�� 2005, Vol. 22 Issue (3) :249-251    DOI:
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Separation of Catechol and Hydrochinone by High-Speed Countercurrent Chromatography
HUANG Jian-guang~1,LI Zong-cheng~2 (1.Graduate School at Shenzhen,Tsinghua University,Shenzhen 518055,China; 2.Research Institute of Tsinghua University,Shenzhen 518057,China)
(1.Graduate School at Shenzhen,Tsinghua University,Shenzhen 518055,China; 2.Research Institute of Tsinghua University,Shenzhen 518057,China
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Abstract�� The mixture composed of catechol and hydrochinone which are isomers were successfully separated by high-speed countercurrent chromatography.The two-phase solvent system consisted of hexane-ethyl acetate-methanol-water(volume ratio is 7��3��6��4) was the best one.The lower phase was mobile phase and the upper phase was stationary phase.The mobile phase flow rate is 0.5 mL/min.
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Received 2005-05-15; published 2005-05-15
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�ƽ���,���ܳ�.���ø�������ɫ�׷����ڱ����ӺͶԱ�����[J].  ��ѧ��ҵ�빤��, 2005,22(3): 249-251
HUANG Jian-guang~1,LI Zong-cheng~2 .Separation of Catechol and Hydrochinone by High-Speed Countercurrent Chromatography[J].  Chemcial Industry and Engineering, 2005,22(3): 249-251
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