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采用高效液相色谱法测定了抗感冒糖浆剂中扑尔敏与伪麻黄碱的含量。方法以扑热息痛做内标，扑尔敏的回收率为９９．４３％（ｎ＝５），伪麻黄碱的回收率为９９．６４％（ｎ＝５）。
The contents of chlorpheniramine and pseudoephedrine in anti-cold syrup were determined by high performance liquid chromatography. Methods With paracetamol as internal standard, the recovery rate of chlorpheniramine was 99.43% (n = 5) and the recovery rate of pseudoephedrine was 99.64% (n = 5).