四阶导数光谱法测定儿童清肺口服液中麻黄碱类和黄芩甙类成分

Determination of Ephderine and Baicalein-types in Ertongqingfei Oral Liquid(Herba Ephedrae, Radix Scutellariae,etc.)by 4th Derivative-Spectrometry

采用四阶导数光谱法，以盐酸麻黄碱和黄芩甙为标准品，测定了儿童清肺口服液中麻黄碱类成分和黄芩甙类成分的含量。方法快速、准确，符合定量分析要求。

The 4th derivative-spectrometry was developed for the determination of contents of ephedrine and baicalein-types in Ertongqingfei Oral Liquid using ephedrine hydrochloride and baicalein as standard samples.This method is quick and accurate and can satisfy the require ment of quantitative analysis.