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用紫外分光光度法测定心脑通注射液中马来酸肉桂哌吡烷的含量。在３０３ｎｍ波长处测得．方法线性范围为４～２４μｇ／ｍｌ，平均回收享为１００．０％，ＲＳＤ为０．４４％。
Determination of cinobonin maleate in Xinnaotong Injection by UV spectrophotometry. Measured at 303 nm wavelength. The linear range of the method was 4 ~ 24μg / ml, with an average recovery of 100.0% and a RSD of 0.44%.