目的建立高效液相色谱法测定盐酸异丙嗪糖浆中盐酸异丙嗪的含量。
OBJECTIVE To establish a HPLC method for determining the content of promethazine hydrochloride in promethazine hydrochloride syrup.
结论：本测定方法简便、快速、准确，重复性好，可以有效控制盐酸异丙嗪糖浆的含量。
Conclusions: This method was simple and fast and reproducible, and it can be used for quality control of promethazine Hydrochloride syrup.
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