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采用紫外分光光度法测定盐酸恩卡胺片的含量。测定波长为２５８ｎｍ，线性范围为０～２０ｍｇ／Ｌ，标准曲线方程为Ｃ＝１．９９９８Ａ－０．００６７，回收率为９８．７５％。
Determination of enkaamine hydrochloride tablets by UV spectrophotometry. The determination wavelength is 258nm, the linear range is 0 ~ 20mg / L, the standard curve equation is C = 1.9998A-0.0067, the recovery rate is 98.75%.