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HPLC法测定去甲斑蝥素的含量
引用本文:高明亮,刘莹,高明月. HPLC法测定去甲斑蝥素的含量[J]. 中国药师, 2009, 12(8): 1081-1083
作者姓名:高明亮  刘莹  高明月
作者单位:[1]吉林省空军公主岭医院,吉林公主岭136100 [2]北京精诚通医药科技有限公司,吉林公主岭136100 [3]公主岭市药检所,吉林公主岭136100
摘    要:目的:建立采用高效液相色谱法测定去甲斑蝥素原料药的含量。方法:色谱柱为C18(250mm×4.6mm,5μm),流动相为甲醇-0.016mol·L^-1磷酸二氢钾溶液(17:83)(用磷酸调pH至3.1),检测波长为210nm。结果:去甲斑蝥素能与杂质有较好的分离,在4~60μg·ml^-1范围内线性关系良好(r=0.9999);平均加样回收率为99.62%(RSD=1.85%)。结论:方法简单,结果准确,重复性好,适用该产品的含量测定。

关 键 词:高效液相色谱法  去甲斑蝥素  含量测定

Determination the Content of Norcantharidin by HPLC
Affiliation:Gao Mingliang, Liu Ying , Gao Mingyue (Air Force Gongzhuling Hospital, Jilin Gongzhuling 136100 China;Giant Med-Teeh Development Co. Ltd,; Gongzhuling Institute For Drug Control of Jilin Province )
Abstract:Objective:To establish an HPLC method for determination the content of noroantharidin. Method : DIAMONSIL C18 column ( 250mm × 4.6mm ,5μm ) was used , the mobile phase consisted of methanol - 0. 016 mol · L ^- 1 potassium dihydrogen phosphate ( 13:87) ( adjusted to pH 3.1 with phosphoric acid). The detection was carried out with an UV detector at 210 nm. Result:Noreantharidin and the other impurity were separated well. The linear range of norcantharidin was 4 - 60μg · ml^-1 ( r =0. 999 9 ). The average recovery was 99.62% ( RSD = 1.85% ). Conclusion : This method is convenient, accurate and suitable for the determination of norcantharidin and related substances.
Keywords:HPLC  Norcantharidin  Determination
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