高效分子排阻色谱法测定丙二醇头孢曲嗪原料药中聚合物的含量
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篇名: | 高效分子排阻色谱法测定丙二醇头孢曲嗪原料药中聚合物的含量 |
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摘要: | 目的:建立测定丙二醇头孢曲嗪原料药中聚合物含量的方法。方法:采用高效分子排阻色谱法。色谱柱为Sephadex G-10,流动相A为0.01 mol/L磷酸盐缓冲液[0.01 mol/L磷酸氢二钠溶液-0.01 mol/L磷酸二氢钠溶液(61 ∶ 39,V/V)](pH7.0),流动相B为水,流速为1.0 ml/min,检测波长为254 nm,柱温为30 ℃,进样量为200 μl。结果:丙二醇头孢曲嗪原料药中聚合物的检测质量浓度线性范围为2.07~103.30 μg/ml(r=0.999 4);定量限为10.4 ng、检测限为4.1 ng;精密度、重复性试验的RSD<3%。结论:该方法专属性强、灵敏度高、重复性好,可用于丙二醇头孢曲嗪原料药中聚合物的含量测定。 |
ABSTRACT: | OBJECTIVE: To establish a method for the content determination of polymer in cefatrizine propylene glycol. METHODS: High performance sephadex gel chromatography was performed on the column of Sephadex G-10 with mobile phase A of 0.01 mol/L phosphate buffer [0.01 mol/L Disodium hydrogen phosphate solution-0.01 mol/L Sodium dihydrogen phosphate solution(61 ∶ 39,V/V)](pH7.0) and mobile phase B of water at a flow rate of 1.0 ml/min, the detection wavelength was 254 nm, column temperature was 30 ℃, and volume injection was 200 μl. RESULTS: The linear range of polymer was 2.07-103.30 mg/ml(r=0.999 4); the limit of quantitation of 10.4 ng, limit of detection was 4.1 ng; RSDs of precision and reprodicibility tests were lower than 3%. CONCLUSIONS: The method is specific with high sensitivity and good reproducibility, and can be used for the content determination of polymer in active pharmacentical ingredient cefatrizine propylene glycol. |
期刊: | 2016年第27卷第24期 |
作者: | 李喆宇,张静霞,王宇驰,张春然,徐明琴,王瑛瑛,董宏波,王婷,唐克慧 |
AUTHORS: | LI Zheyu,ZHANG Jingxia,WANG Yuchi,ZHANG Chunran,XU Mingqin,WANG Yingying,DONG Hongbo,WANG Ting,TANG Kehui |
关键字: | 丙二醇头孢曲嗪;聚合物;高效分子排阻色谱法 |
KEYWORDS: | Cefatrizine propylene glycol; Polymer; High performance size exclusion chromatography |
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