RP-HPLC法测定诺氟沙星葡萄糖注射液中乙二胺四乙酸二钠的含量

Journal of Kunming Medical University(2021)

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Abstract
目的 建立诺氟沙星葡萄糖注射液中乙二胺四乙酸二钠的含量测定方法.方法 选择色谱柱为(SHISEIDO C18-MGⅡ5μm 4.6×250 mm),流动相为乙腈:0.05 mol/L醋酸铵:水,流动相比例为70:15:15,流速为1.0 mL/min,进样体积为20μL,柱温为35℃,检测波长为254 nm,采用三氯化铁和乙二胺四乙酸二钠反应形成螯合物后对其进行测定.结果 乙二胺四乙酸二钠峰与其他色谱峰分离度良好;乙二胺四乙酸二钠在2.0326~200.3260μg/mL浓度范围内与峰面积呈良好的线性关系(R2=0.9997),平均回收率为98.11%(n=9).结论 该方法快速、简便、专属性强、精密度高、重复性好,结果准确可靠,适用于诺氟沙星葡萄糖注射液中乙二胺四乙酸二钠的含量测定.
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norfloxacin glucose injection,edta,rp-hplc
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