紫外-可见分光光度法测定马应龙痔疮膏中氧化锌的含量  

Study on the Content of Zinc Oxide in Mayinglong Hemorrhoids Ointment by Ultraviolet-visible Spectrophotometry

作　　者：杨连菊[1] 冯学锋[1] 徐子芳[1,2] 李娆娆[1] 冯林敏[3] 程明[1] 顾雪竹[1] 

机构地区：[1]中国中医科学院中药研究所,北京100700 [2]江西中医学院,南昌330008 [3]北京中医药大学中药学院,北京100102

出　　处：《中国实验方剂学杂志》2011年第21期60-62,共3页Chinese Journal of Experimental Traditional Medical Formulae

基　　金：科技部国家科技支撑计划项目(2008BAI55B02)

摘　　要：目的:确定紫外-可见分光光度法测定马应龙痔疮膏中氧化锌的含量的方法。方法:采用紫外可见分光光度法测定3批马应龙痔疮膏中氧化锌的含量。采用锌试剂显色的方法。以标准曲线法计算含量。结果:紫外-可见分光光度法测定氧化锌含量为61.87 mg.g-1,与络合滴定法相比,灵敏度较高。结论:该方法准确、灵敏度高,适用于测定炉甘石药材及饮片中氧化锌的含量。Objective：To establish the method of determining zinc oxide content in Mayinglong Hemorrhoids Ointment by UV-VIS spectrophotometry.Method： The contents of zinc oxide in 3 batches of this preparation were determined by UV-VIS spectrophotometry.Chromogenic method of zinc reagent was used.Result： This method is higher sensitivity than titration.Conclusion： The UV-VIS spectrophotometry method is suitable for the determination of zinc oxide in this preparation.

关 键 词：紫外-可见分光光度法 马应龙痔疮膏 氧化锌 

分 类 号：R284.1[医药卫生—中药学]