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采用一阶导数紫外分光光度法测定胶囊中诺氟沙星的含量 ,可排除辅料的干扰 ,测定方法简便快速 ,测定结果准确可靠。该法与药典的非水滴定法测定结果相一致 ,值得进一步推广使用。
The determination of norfloxacin in capsules by first-derivative UV spectrophotometry can eliminate the interference of excipients, the determination method is simple and rapid, and the determination results are accurate and reliable. This method is consistent with the non-water titration method of Pharmacopoeia and is worthy of further promotion.