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用HPLC法测定尿素咪康唑乳膏中硝酸咪康唑的含量

Pharmaceutical Care and Research(2008)

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Abstract
目的:建立HPLC法测定尿素咪康唑乳膏中硝酸咪康唑的含量。方法:采用Diamonsil C18柱,流动相为0.1%乙酸铵溶液∶甲醇(10∶90),流速1.0 mL/min,检测波长240 nm,以苯甲酸苄酯为内标。结果:硝酸咪康唑在300~500μg/mL范围内线性关系良好(r=0.999 9),回收率为99.62%~101.6%,日内、日间RSD均<1.5%。结论:此法快速、准确、灵敏、简便,能消除杂质干扰,适合于尿素咪康唑乳膏中硝酸咪康唑的含量测定。
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Key words
chromatography,urea and miconazole cream,benzyl benzoate,miconazole nitrate,high pressure liquid
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