硫酸卡那霉素注射液中有关物质测定方法研究
China Pharmaceuticals(2011)
Abstract
目的采用高效液相色谱-蒸发光散射检测器(HPLC-ELSD)法测定硫酸卡那霉素注射液中有关物质。方法采用ZorbaxSB-C18柱(250 mm×4.6 mm,5μm),以0.2 mol/L三氟醋酸溶液-甲醇(95∶5)为流动相,流速为1.0 mL/min,柱温为室温,用蒸发光散射检测器检测(漂移管温度为80℃,载气压力为1.0 bar)。结果以对照溶液质量浓度的对数值与相应峰面积的对数值计算回归方程,其相关系数(r)均大于0.999,二者线性关系良好。结论高效液相色谱-蒸发光散射检测器法简便、准确、专属、灵敏。
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Key words
kanamycin sulfate injection,related substances,kanamycin,HPLC-ELSD
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