Simultaneous determination of diclofenac sodium and benzocain in Yantongjing cream by HPLC
Author(s): MAO Zhian, YAO Jiankang, ZHANG Yan
Pages: 149-150
Year: 2002 Issue: 2
Journal: THE CHINESE JOURNAL OF MODERN APPLIED PHARMACY
Keyword: 双氯芬酸钠; 苯佐卡因:HPLC;
Abstract: 目的:测定炎痛净乳膏中双氯芬酸钠和苯佐卡因的含量.方法:高效液相色谱法,甲醇为提取溶剂,地西泮为内标,No-Va-PakC18色谱柱,甲醇-水-冰醋酸(80:20:0.5)为流动相,检测波长为283nm.结果:双氯芬酸钠和苯佐卡因在5μg/ml～40μg/ml范围内,其浓度与峰面积均呈良好的线性关系(r=0.9999),平均回收率分别为101.0%,RSD＝1.21%;99.8%,RSD=0.62%.结论:本法专属性强,操作简便,结果准确.
Pages: 149-150
Year: 2002 Issue: 2
Journal: THE CHINESE JOURNAL OF MODERN APPLIED PHARMACY
Keyword: 双氯芬酸钠; 苯佐卡因:HPLC;
Abstract: 目的:测定炎痛净乳膏中双氯芬酸钠和苯佐卡因的含量.方法:高效液相色谱法,甲醇为提取溶剂,地西泮为内标,No-Va-PakC18色谱柱,甲醇-水-冰醋酸(80:20:0.5)为流动相,检测波长为283nm.结果:双氯芬酸钠和苯佐卡因在5μg/ml～40μg/ml范围内,其浓度与峰面积均呈良好的线性关系(r=0.9999),平均回收率分别为101.0%,RSD＝1.21%;99.8%,RSD=0.62%.结论:本法专属性强,操作简便,结果准确.
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