HPLC法測(cè)定草酸艾司西酞普蘭片的含量
發(fā)布時(shí)間:2019-04-27 00:38
【摘要】:目的:建立高效液相色譜法測(cè)定草酸艾司西酞普蘭片的含量。方法:采用Amethyst C18-P色譜柱(150 mm×4.6 mm,5μm),以p H 4.20醋酸鉀緩沖液(取醋酸鉀14 g,加冰醋酸20.5 m L,加水稀釋至1 000 m L)-乙腈(72∶28)為流動(dòng)相,流速1.0 m L·min~(-1),檢測(cè)波長(zhǎng)236 nm,測(cè)定草酸艾司西酞普蘭的含量。結(jié)果:草酸艾司西酞普蘭質(zhì)量濃度在20~300μg·m L~(-1)范圍內(nèi)線性關(guān)系良好;平均回收率(n=3)為99.1%~99.4%,RSD為0.25%~0.61%,以每片中艾司西酞普蘭計(jì),3批樣品的含量分別為99.7%、99.5%、99.5%。結(jié)論:本法經(jīng)方法學(xué)驗(yàn)證,可用于本制劑的含量測(cè)定及質(zhì)量控制。
[Abstract]:Objective: to establish a HPLC method for the determination of isophthalopram oxalate tablets. Methods: a Amethyst C18 P column (150 mm 脳 4.6 mm, 5 渭 m) was used with pH 4.20 potassium acetate buffer solution (14 g potassium acetate, 20.5 mL glacial acetic acid) and diluted to 1 000 m L)-acetonitrile (72:28) as mobile phase. The flow rate was 1.0ml 路min ~ (- 1), the detection wavelength was 236nm, and the content of isophthalopram oxalate was determined. Results: the linear range of isophthalopram oxalate was 20 ~ 300 渭 g 路mL ~ (- 1). The average recovery (n = 3) was 99.1% ~ 99.4% with RSD of 0.25% ~ 0.61%. The contents of the three batches were 99.7%, 99.5% and 99.5%, respectively, based on escitalopram in each tablet. Conclusion: this method can be used for the content determination and quality control of this preparation.
【作者單位】: 湖北科技學(xué)院藥學(xué)院;
【分類(lèi)號(hào)】:R927.2;O657.72
本文編號(hào):2466533
[Abstract]:Objective: to establish a HPLC method for the determination of isophthalopram oxalate tablets. Methods: a Amethyst C18 P column (150 mm 脳 4.6 mm, 5 渭 m) was used with pH 4.20 potassium acetate buffer solution (14 g potassium acetate, 20.5 mL glacial acetic acid) and diluted to 1 000 m L)-acetonitrile (72:28) as mobile phase. The flow rate was 1.0ml 路min ~ (- 1), the detection wavelength was 236nm, and the content of isophthalopram oxalate was determined. Results: the linear range of isophthalopram oxalate was 20 ~ 300 渭 g 路mL ~ (- 1). The average recovery (n = 3) was 99.1% ~ 99.4% with RSD of 0.25% ~ 0.61%. The contents of the three batches were 99.7%, 99.5% and 99.5%, respectively, based on escitalopram in each tablet. Conclusion: this method can be used for the content determination and quality control of this preparation.
【作者單位】: 湖北科技學(xué)院藥學(xué)院;
【分類(lèi)號(hào)】:R927.2;O657.72
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