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目的:建立小儿止咳合剂中盐酸麻黄碱的含量测定方法。方法:用酸性染料比色法测定小儿止咳合剂中麻黄碱的含量。结果:盐酸麻黄碱加样回收率为98.8%(RSD=1.83%)。结论:该法操作简单,重现性好,可作为小儿止咳合剂中盐酸麻黄碱的含量测定方法。
Objective: To establish a method for the determination of ephedrine hydrochloride in Xiaoer Zhike Mixture. Methods: The content of ephedrine in Xiaoer Zhike Mixture was determined by acid dye colorimetry. Results: The recovery of ephedrine hydrochloride was 98.8% (RSD = 1.83%). Conclusion: The method is simple, reproducible, and can be used as a method for determination of ephedrine hydrochloride in pediatric cough mixture.