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滴鼻净是临床常用的制剂。为肾上腺素、血管收缩药[1]。用于伤风、鼻炎、鼻窦炎等治疗。滴鼻净主要成分为盐酸萘甲唑林、尼泊金乙酯。2个组分的水溶液在190～400ｎｍ的波长范围内都有吸收。中国药典采用对照品在280ｎｍ的波长处用分光光度法测定盐酸萘甲唑林的含量。但尼泊金乙
Intranasal net is a commonly used clinical preparation. Adrenergic, vasoconstrictor drugs [1]. For cold, rhinitis, sinusitis and other treatment. The main components of nasal drops nasal drops of naphazoline hydrochloride, ethyl paraben. The aqueous solution of 2 components is absorbed in the wavelength range of 190-400 nm. Chinese Pharmacopoeia using the reference substance at 280nm wavelength spectrophotometric determination of naphthalene hydrochloride content. But parabola