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本文报导用旋光法测定地麻滴鼻液中盐酸麻黄碱的含量。结果:盐酸麻黄碱在5.0～15mg/ml浓度范围内线性关系良好,回归方程C=1.4302α—0.0081,相关系数r=0.9998,平均回收率为100.1％,相对标准偏差为0.6％。
This article reports the determination of ephedrine hydrochloride in diane nasal drops by polarimetry. Results: Ephedrine hydrochloride had good linearity in the concentration range of 5.0-15 mg/ml. The regression equation was C=1.4302α-0.0081. The correlation coefficient was r=0.9998. The average recovery was 100.1%. The relative standard deviation was 0.6%.