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Purification of cephalosporin C sodium by solvent crystallization
Pages: 636-
637
Year: 2005
Issue:
10
Journal: CHINESE JOURNAL OF ANTIBIOTICS
Keyword: 头孢菌素C钠盐; 溶剂结晶法; 分离与纯化;
Abstract: 目的比较不同溶剂法结晶纯化头孢菌素C钠盐收率和质量.方法用HPLC、ESEM等检测方法检测头孢菌素C钠盐的纯度和晶型.结果用无水乙醇、丙酮、异丙醇三种溶剂所得的头孢菌素C钠盐指标均达到国内厂家内控检测标准,超过国外同类产品指标;其中以丙酮结晶法收率较高,乙醇结晶法纯度高,晶型好.结论丙酮结晶法成本较低,为厂家选择结晶工艺提供参考.
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