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奥美拉唑镁肠溶片含量测定方法的改进
引用本文:孙蕊,刘世超. 奥美拉唑镁肠溶片含量测定方法的改进[J]. 中国医药导报, 2011, 8(1): 61-63
作者姓名:孙蕊  刘世超
作者单位:1. 河南省洛阳市中心医院药剂科,河南,洛阳,471009
2. 河南省洛阳市妇女儿童医疗保健中心药剂科,河南,洛阳,471000
摘    要:
目的:建立高效液相法测定奥美拉唑镁肠溶片含量的方法。方法:采用Diamonsil C18(4.6mm×150mm,5μm)色谱柱:流动相:甲醇-水-磷酸-三乙胺(65:35:0.12:0.3);检测波长:302nm;流速:1.0ml/min。结果:奥美拉唑镁在13.3182~31.0758μg范围内与峰面积呈良好的线性关系(r=0.9990),平均回收率为101.14%,RSD=1.64%。结论:本法简便、准确、重现性好.可用于奥美拉唑镁肠溶片的质量控制。

关 键 词:高效液相法  奥美拉唑镁  奥美拉唑镁肠溶片  含量测定

Improve method for the content determination of Omeprazole Magnesium Enteric-coared Tablets
SUN Rui,LIU Shichao. Improve method for the content determination of Omeprazole Magnesium Enteric-coared Tablets[J]. China Medical Herald, 2011, 8(1): 61-63
Authors:SUN Rui  LIU Shichao
Affiliation:SUN Rui1,LIU Shichao2 (1.Department of Pharmacy,the Center Hospital of Luoyang City,Luoyang 471009,China,2.Department of Pharmacy,Woman and Children Health Care Center in Luoyang City,Luoyang 471000,China)
Abstract:
Objective: To establish a method for the content determination of Omeprazole Magnesium in Omeprazole Mag nesium Enteric-coated Tablets by HPLC. Methods: The Diamonsil-Cis (4.6 mm×150mm, 5 μm) column was used. The mo bile phases consisted of methanol, water, phosphoric acid and triethylamine (65:35:0.12:0.3), the flow rate was 1.0 ml/min and the detection wavelength was at 302 nm. Results: The linear ranges of Omeprazole was at 13.318 2-31.075 8 μg (r=0.999 0), the average recovery was 101.14% with a RSD of 1.64%. Conclusion: The method is fast, reliable, accurate and can be used in the quality control of Omeprazole Magnesium in Omeprazole Magnesium Enteric-coared Tablets.
Keywords:HPLC  Omeprazole Magnesium  Omeprazole Magnesium Enteric-coared Tablets  Content determination  
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