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Reagent-free Ion Chromatography with Conductivity Detection for the Determination of Methanesulfonic Acid in Simvastatin
Author(s): 
Pages: 58-59,63
Year: Issue:  1
Journal: GUANGXI SCIENCES

Keyword:  甲烷磺酸辛伐他汀免试剂离子色谱;
Abstract: 选用在线淋洗液发生器产生的KOH为淋洗液,Dionex IonPac AS11HC分离柱阴离子交换分离,电导检测模式,对辛伐他汀样品中的杂质甲烷磺酸(MSA)进行分离测定,建立辛伐他汀中甲烷磺酸的离子色谱分析方法.结果表明,方法在0.02~0.30 mg·L-1范围内线性良好(r2>0.9994),样品的保留时间、峰面积和峰高的RSD在1.25%以下(n=10),检出限为4μg·ml-1,回收率为84%~112%.方法简便、快速、准确,可以在辛伐他汀产品的检验中发挥重要作用.
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