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2,4-二硝基氟苯柱前衍生化HPLC法测定注射用帕米膦酸二钠的含量 被引量:1

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摘要 目的:建立2,4-二硝基氟苯柱前衍生化HPLC法测定注射用帕米膦酸二钠的含量。方法:碱性条件下供试品与2,4-二硝基氟苯进行衍生化反应,采用UltimateXB-C18柱,流动相A为乙腈,流动相B为0.01mo·lL-1磷酸二氢钾缓冲液(用三乙胺调节pH值至7.0),以1.0mL/min的流速进行梯度洗脱(0~5.10min,A为10%;5.10~5.11min,A为10%~25%;5.11~7.20min,A为25%;7.20~7.21min,A为25%~10%;7.21~12.0min,A为10%),检测波长为365nm。结果:帕米膦酸二钠浓度在0.05~2.00mg/mL浓度范围内与峰面积呈良好关系(r=0.9997),平均回收率为100.1%(n=9)。结论:该方法专属性好,准确、灵敏,适合用于注射用帕米膦酸二钠的含量测定。
出处 《科技创新导报》 2010年第27期7-8,共2页 Science and Technology Innovation Herald
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