徐今宁 龙卿 李霞 (河北北方学院附属第一医院 河北张家口 075000)
摘 要 目的:建立HPLC法测定氯柳硼酊中氯霉素和水杨酸含量的方法。方法:色谱柱Zorbax ODSC18(150 mm×4.6mm,5 μm);以甲醇2%乙酸溶液(48∶52v/v)为流动相;流速1.0 ml〖DK2〗•min-1;检测波长为301 nm,柱温30 ℃。结果:氯霉素在10~60 μg•ml-1范围内,浓度与峰面积线性关系良好(r=0.999 5),平均回收率99.5%,RSD=0.7%;水杨酸在10~60 μg•ml-1范围内,浓度与峰面积线性关系良好(r=0.999 5),平均回收率100.2%,RSD=0.6%。结论:该方法专属性好,操作简便、快速,结果准确,可用于氯柳硼酊制剂的质量控制。
关键词 氯柳硼酊;氯霉素;水杨酸;高效液相色谱法
中图分类号:R927
文献标识码:A
文章编号:1008-049X(2007)04-0350-03
Determination the Content of Chloramphenicol and Salicylic Acid in Lüliupeng Tincture by HPLC Xu Jinning, Long Qing, Li Xia(Affiliated First Hospital, Hebei Northern College, Hebei Zhangjiakou 075000, China) ABSTRACT Objective:To establish an HPLC method for determination the content of chloramphenicol and salicylic acid in Lüliupeng tincture.Method: The Zorbax ODSC18column(150 mm×4.6mm,5 μm) was used, the mobile phase consisted of methanol0.2%acetic acid solution(48∶52 v/v) ,the flow rate was 1.0ml•min-1,the detection wavelength was at 301 nm, and the column temperature was 30 ℃.Result:The linear ranges of chloramphenicol and salicylic acid were 10.0-60.0μg•ml-1(r=0.999 5) and 10-60 μg•ml-1(r=0.999 5) respectively, the average recoveries of chloramphenicol and salicylic acid were 99.5% and RSD.7%(n=6) and 100.2%RSD0.6%(n=6), respectively.Conclusion:The method is simple,rapid and accurate, it can be used for quality control of lüliupeng with tinctures. KEY WORDS Lüliupeng; Tincture Chloramphenicol; Salicylic acid HPLC
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