甘草酸单铵凝胶的制备及含量的测定
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任 立，丁平田，陈黎赟
(沈阳药科大学 药学院，中国 沈阳 ，110016)
摘要：目的 制备甘草酸单铵凝胶剂并建立其含量测定方法。方法 以卡波姆 934为辅料，制备甘草酸单铵凝胶剂；以紫外分光光度法于波长(250±1)nm处测定含量。结果 平均回收率为99.75%，RSD为0.17%。结论 本制剂制备容易，质量稳定。以紫外分光光度法测定含量，具有简单﹑快速之特点。
关键词：药剂学；凝胶剂；紫外分光光度法；甘草酸单铵；卡波姆934
中图分类号：R94 文献标识码：A
Preparation and determination of monoammonium glycyrrhizinate gel
REN Li , DING Ping-tian , CHEN Li-yun
(School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China)
Abstract: Objective To prepare monoammonium glycyrrhizinate(MAG) gel and to establish an UV spectrophotometry for determination of MAG gel. Methods The MAG gel with Carbomer 934 as base material was prepared. An UV spectrophotometry method at (250±1)nm , for the determination of MAG in gel was established. Result The average recovery was 99.75%, RSD was 0.17%. Conclusions The preparation of MAG gel is simple, its quality is stable, and the UV spectrophotometry method for the determination is accurate, simple and rapid.
Key words：pharmaceutics; gel; UV spectrophotometry; monoammonium glycyrrhizinate; Carbomer 934
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