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化学工业与工程
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��ѧ��ҵ�빤�� 2003, Vol. 20 Issue (6) :420-424    DOI:
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The Study on Induction Period of Cefoperazone Sodium
LI Yan-bin,WANG Yong-li,GUO Zhi-chao,WANG Jing-kang,LANG Lin,PAN Jie(School of Chemical Engineering,Tianjin University,Tianjin 300072,China)
(School of Chemical Engineering,Tianjin University,Tianjin 300072,China

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Abstract�� Cefoperazone sodium is an antibiotic of the third cephalosporin,and of an important status.The needle-like crystal of CPZ can be gained by solvent out crystallization.In this paper,the primary nucleation induction period of this kind crystallization method was studied.Firstly,the solubility of CPZ in different temperature and acetone concentration were measured.Then,according to the solubility,the induction periods were measured in different S,and the effect of acetone concentration on the induction period was discussed.In addition,the induction period in the presence of ultrasonic was determined and experimental evidences showed that ultrasonic can has it reduced.
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Received 2003-11-15; published 2003-11-15
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���ޱ�,������,��־��,������,����,�˽�.ͷ����ͪ�ƽᾧ�յ��ڵ��о�[J].  ��ѧ��ҵ�빤��, 2003,20(6): 420-424
LI Yan-bin,WANG Yong-li,GUO Zhi-chao,WANG Jing-kang,LANG Lin,PAN Jie.The Study on Induction Period of Cefoperazone Sodium[J].  Chemcial Industry and Engineering, 2003,20(6): 420-424
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