一阶导数光谱法测定复方苯甲酸软膏中水杨酸含量

李国锋; 陈业豪; 霍启录

引用本文:	李国锋,陈业豪,霍启录.一阶导数光谱法测定复方苯甲酸软膏中水杨酸含量[J].中国现代应用药学,1994,(3):43-44.
	Li Guofeng; Chen Yehao; Huo Qilu.Determination of Salicylic Acid in Benzoic Acid Co. by FirstDerivative Spectrophotometry[J].Chin J Mod Appl Pharm(中国现代应用药学),1994,(3):43-44.

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一阶导数光谱法测定复方苯甲酸软膏中水杨酸含量
李国锋,陈业豪,霍启录

作者	单位
李国锋,陈业豪,霍启录

摘要:

应用一阶导数光谱法测定复方苯甲酸软膏中水杨酸的含量,以307nm为测定波长,可排除基质及苯甲酸的干扰,快速简便。平均回收率为99.96%,RSD为0.22%.

关键词: 一阶导数光谱法水杨酸复方苯甲酸软膏

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Determination of Salicylic Acid in Benzoic Acid Co. by FirstDerivative Spectrophotometry

Li Guofeng; Chen Yehao; Huo Qilu

Abstract:

First deriyative spectrophotometry method was employed to determine salicylic acidin benzoic co. with 307urn as the detection wavelength. The interference resulting from thebase and benzoic acid was ruled out. The method was simple and quick. The average

Key words: First derivative spectrophotometry Salicylic acid Benzoic acid co.