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采用多波长吸收度比值差法于251nm.257nm.263nm 波长处直接测定盐酸苯丙醇胺滴鼻液的含量,平均回收率及变异系数分别为99.8%,0.89%。
Direct determination of phenylpropanolamine hydrochloride nasal drops at 251nm.257nm.263nm wavelength using multiple wavelength absorbance ratio difference method, the average recovery and coefficient of variation were 99.8%, 0.89%.