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采用双波长一元线性回归分光光度法测定盐酸乙基吗啡滴眼液的含量,消除了附加剂羟苯乙酯对主药测定的干扰,方法简便,回收率为100.0％,RSD=0.53％。
The dual-wavelength linear regression spectrophotometry was used to determine the content of ethylmorphine hydrochloride eye drops, and the interference of the adjuvant ethylparaben was eliminated. The method was simple and the recovery was 100.0% with RSD 0.53%.