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采用高效液相色谱法直接测定金刚感冒片中咖啡因和扑尔敏的含量，为产品质量的控制提供较好的条件。此法测定咖啡因和扑尔敏的回收率各为９９．８７％，１００．１％，变异系数各为０．４３，０．７４．
The contents of caffeine and chlorpheniramine in the tablets of Jingang cold were determined directly by HPLC, which provided better conditions for the control of product quality. The recoveries of caffeine and chlorpheniramine determined by this method were 99.87% and 100.1%, respectively, and the coefficients of variation were 0.43 and 0.74 respectively.