| 二阶导数光谱法测定复方异丙嗪糖浆中盐酸异丙嗪的含量 |
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| 引用本文： | 程鹏,莫晓媚,陈湛芳.二阶导数光谱法测定复方异丙嗪糖浆中盐酸异丙嗪的含量[J].中国医药,2010,5(1):43-44. |
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| 作者姓名： | 程鹏 莫晓媚 陈湛芳 |
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| 作者单位： | 山东青岛市妇女儿童医疗保健中心药剂科,266011 |
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| 摘 要： | 目的用紫外分光光度法不经分离直接测定复方异丙嗪糖浆中盐酸异丙嗪的含量。方法二阶导数光谱法，测定波长为256nm。结果盐酸异丙嗪在5．21～31．26ug/ml浓度范围内线性关系良好，峰零间振幅D对浓度C的回归方程C=-651．25×D＋0．3256，r=1．0000，平均回收率为101．10％，相对标准偏差为0．98％。结论二阶导数光谱法测定复方异丙嗪糖浆中盐酸异丙嗪含量简便、快速、结果准确。
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| 关 键 词： | 二阶导数光谱法 盐酸异丙嗪 远志酊 |
Determination of promethazine hydrochloride in compound promethazine syrup by secondary derivative spectrophotometry |
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| CHENG Peng,MO Xiao-mei,CHEN Zhan-fang.Determination of promethazine hydrochloride in compound promethazine syrup by secondary derivative spectrophotometry[J].China Medicine,2010,5(1):43-44. |
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| Authors: | CHENG Peng MO Xiao-mei CHEN Zhan-fang |
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| Institution: | .( Department of Pharmacy, Qingdao Medical Center for Woman and Children, Qingdao 266011, China) |
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| Abstract: | Objective To determine the quantity of compound Promethazine Syrup without any separation bv ultraviolet spectrophotometry(UV).Methods A secondary derivative spectrophotometry was used and the detection wavelength was at 256 nm.Results The linear ranges was 5.21～31.26 μg/ml,r=1.0000,the average recover was 101.10% for the determination of promethazine hydrochloride in compound promethazine syrup.RSD=0.98%.Conclusion Secondary derivative spectrophotometry is sensitive,rapid and accurate. |
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| Keywords: | Secondary derivative spectrophotometry Promethazin hydrochlorid Yuanzhi tincture |
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