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高效液相色谱法测定纳米消毒凝胶中醋酸氯己定的含量

Chinese Journal of Health Laboratory Technology(2005)

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Abstract
目的:建立高效液相色谱法测定纳米复方消毒凝胶中醋酸氯己定的含量。方法:样品用乙醇溶解稀释提取,采用乙腈-磷酸二氢钾(50+50)流动相体系,pH 2.5,SEPELCO BDS C18柱,流速1 m l/m in,检测波长254 nm。结果:醋酸氯己定在0.00318%~0.0318%范围内线性关系良好,r=0.9999,回收率94.3%~99.3%,RSD1.5%。结论:方法操作简便、重现性好、结果准确,适用于醋酸氯己定的质量控制。
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