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HPLC法测定西他沙星的含量及有关物质 被引量:3

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摘要 目的建立测定西他沙星含量及有关物质的HPLC法。方法采用C18色谱柱,以0.05 mol·L-1磷酸二氢钾和0.05mol·L-1乙酸铵(磷酸调pH2.2)-乙腈=3∶1为流动相,西他沙星含量采用等度洗脱,有关物质采用梯度洗脱,流速1.0 ml·min-1,检测波长286 nm,柱温30℃。结果西他沙星在22.64~113.20 mg·L-1范围内呈良好线性关系(r=0.9999)。有关物质检测限为0.55 ng,各杂质峰与主峰分离良好。结论该法简单方便,准确灵敏,可用于测定西他沙星含量及有关物质。
作者 朱光宇
出处 《安徽医药》 CAS 2011年第12期1512-1513,共2页 Anhui Medical and Pharmaceutical Journal
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