毛细管GC法测定氟比洛芬酯原料药中两种溶剂残留量 点击下载
论文标题: 毛细管GC法测定氟比洛芬酯原料药中两种溶剂残留量
英文标题:
中文摘要: 目的:建立测定氟比洛芬酯原料药中1,1-乙二醇二乙酸酯和乙酸残留量的方法。方法:采用毛细管气相色谱法。色谱柱为DB-FFAP毛细管柱,柱温采用程序升温,进样口温度为150 ℃,检测器为氢火焰离子化检测器,检测器温度为290 ℃,载气为氮气,流速为1.0 ml/min,进样量为1.0 μl,分流比为5 ∶ 1。结果:1,1-乙二醇二乙酸酯与乙酸能得到很好的分离;两种成分检测质量浓度线性范围分别为0.78~19.55、7.69~64.11 μg/ml(r=0.999 7、0.999 3);两种成分检测限分别为0.23、2.56 μg/ml,定量限分别为0.78、7.69 μg/ml;精密度、重复性试验的RSD<3%,稳定性试验的RSD<5%;加样回收率分别为97.6%~100.4%、93.6%~100.4%,RSD分别为0.94%、2.20%(n=9);3批样品中两种溶剂残留量测定结果均符合规定。结论:该方法简便、灵敏、可靠,可用于氟比洛芬酯原料药中1,1-乙二醇二乙酸酯和乙酸的残留量测定。
英文摘要: OBJECTIVE: To establish a method for the determination of 1,1-ethanediol diacetate and acetic acid in flurbiprofen axetil. METHODS: Capillary gas chromatography was performed on the column of DB-FFAP capillary column by temperature programmed, the inlet temperature was 150 ℃, flame ionization detector was chosen, detector temperature was 290 ℃, carrier gas was nitrogen at a flow rate of 1.0 ml/min, injection volume was 1.0 μl, and split ratio was 5 ∶ 1. RESULTS: 1,1-ethanediol diacetate and acetic acid were well-separated; and the linear ranges was 0.78-19.55 g/ml (r=0.999 7) and 7.69-64.11 μg/ml (r=0.999 3), respectively; the limits of quantification were 0.78 μg/ml and 7.69 μg/ml, and limits of detection were 0.23 μg/ml and 2.56 μg/ml for 1,1-ethanediol diacetate and acetic acid respectively; RSDs of precision and reprocudibility tests were lower than 3%, and stability test was lower than 5%; recoveries were 97.6%-100.4%(RSD=0.94%,n=9) and 93.6%-100.4%(RSD=0.94%,n=9); and the test results for 3 batches of flurbiprofen axetil were met the specification. CONCLUSIONS: The method is simple, accurate and reliable, and can be used for the determination of 1,1-ethanediol diacetate and acetic acid in flurbiprofen axetil.
期刊: 2016年第27卷第21期
作者: 郭云程,李雪,钟玲
英文作者: GUO Yuncheng,LI Xue,ZHONG Ling
关键字: 氟比洛芬酯原料药;毛细管气相色谱法;1,1-乙二醇二乙酸酯;乙酸;残留量
KEYWORDS: Flurbiprofen axetil; Capillary gas chromatography; 1,1-ethanediol diacetate; Acetic acid; Residual
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