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HPLC法测定氧化樟脑注射液的有关物质 被引量:5

HPLC determination of related substances of vitacamphorae injection
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摘要 目的:建立高效液相色谱法测定氧化樟脑注射液的有关物质,并测定2个杂质的校正因子。方法:采用Kromasil 100-5C18(250 mm×4.6 mm,5"m)色谱柱,流动相为95%乙腈溶液(A)-0.2%磷酸溶液(B),线性梯度洗脱[0 min,20%A;0~20min,20%A→80%A,保持15 min],流速1 mL·min-1,检测波长286 nm。结果:样品中氧化樟脑峰与杂质峰分离良好;初步鉴定了2个主要杂质的结构,采用加校正因子的主成分自身对照法控制其质量。结论:所建立的方法简便、快速,可准确地测定氧化樟脑注射液中的有关物质。 Objective: To establish an HPLC method for the determination of the related substances of vitacamphorae injection and calculate the correction factor of the impurities.Methods: The chromatographic column was Kromasil 100-5 C18(250 mm×4.6 mm,5 μm),the mobile phase consisted of 95% acetonitrile(A)-0.2% phosphoric acid(B) with linear gradient elution[0 min,20%A;0-20 min,20%A→80%A,keeping 15 min],the flow rate was 1 mL·min-1,and the detection wavelength was 286 nm.Results: Vitacamphorae peak was separated with other impurity peaks thoroughly;Structure of two main impurities was identified;Corrected peak areas of impurities compared with that produced by the main peak of a diluted solution of substance being examined.Conclusion: The method is simple,rapid,specific,accurate and suitable for analysing the related substances in vitacamphorae injection.
出处 《药物分析杂志》 CAS CSCD 北大核心 2012年第5期861-864,共4页 Chinese Journal of Pharmaceutical Analysis
关键词 高效液相色谱法 校正因子 自身对照法 氧化樟脑 中枢兴奋药 注射剂 有关物质 杂质 安全监测 HPLC correction factor self-control method vitacamphorae central stimulants injection related substance impurity safty monitoring
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