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目的：建立丙嗪分散片的含量测定方法。方法：重点考察 UV对照品法的可行性。结果：参考丙嗪片部颁标准，建立了用紫外分光光度法测定丙嗪分散片含量的方法。结论：实验证明该方法具有回收率高、重现性和稳定性好的特点，是控制丙嗪分散片质量的重要方法。
Objective: To establish a method for the determination of promethazine dispersible tablets. Method: Focus on the feasibility of UV reference method. Results: According to the standard of promethazine tablets, a method was established to determine the content of promethazine dispersible tablets by ultraviolet spectrophotometry. Conclusion: The experimental results show that the method has the characteristics of high recovery, good reproducibility and good stability. It is an important method to control the mass of promethazine dispersible tablets.