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磷酸哌喹有关物质的检测研究
引用本文:张小松,江生,毛庆.磷酸哌喹有关物质的检测研究[J].中国药事,2009,23(7):690-691.
作者姓名:张小松  江生  毛庆
作者单位:重庆市药品检验所,重庆,401121
摘    要:目的建立高效液相色谱法测定磷酸哌喹中的有关物质,考察磷酸哌喹对光的稳定性。方法采用Agilent C18柱,以0.04mol.L-1磷酸二氢钾-乙腈-三乙胺(90∶10∶0.2,用磷酸调节pH至2.5)为流动相,流速:0.5mL.min-1,检测波长:230nm,柱温:25℃。结果磷酸哌喹有关物质含量为0.21%~0.39%,强光照射10d后有明显增加。结论本法准确可靠,简便快捷,适用于磷酸哌喹的质量控制。

关 键 词:磷酸哌喹  有关物质  高效液相色谱法

Determination of the Related Substances in Piperaquine Phosphate by HPLC
Zhang Xiaosong,Jang Sheng,Mao Qing.Determination of the Related Substances in Piperaquine Phosphate by HPLC[J].Chinese Pharmaceutical Affairs,2009,23(7):690-691.
Authors:Zhang Xiaosong  Jang Sheng  Mao Qing
Institution:(Chongqing Institute for Drug Control, Chongqing 401121)
Abstract:Objective To observe the irradiation stability of Piperaquine Phosphate and establish a HPLC method for determination of the related substances in Piperaquine Phosphate. Methods The liquid chromatography was carried out on an Agilent C18 column with a mobile phase of 0.04 mol· L^-1 potassium dihydrogen phosphate-acetonitrile-triethylamine (90 : 10 : 0.2, adjusted to pH 2.5 with phosphoric acid). The flow rate was 0.5mL· min^-1. The detection wavelength was 230nm and the column temperature was 25℃. Results The related substances of Piperaquine Phosphate was in the range of 0.21%-0.39%, and it was obviously increased after exposing to the light for 10 days. Conclusions The method is accurate, convenient, rapid, reliable and suitable for the quality control of Piperaquine Phosphate.
Keywords:piperaquine phosphate related substances  HPLC
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