Study on mechanism of fading spectrophotometry via xylenol orange for the assay of norfloxacin lactate .
二甲酚橙褪色光度法测定乳酸诺氟沙星含量及其机制研究。
Methods : to study the indentification of chitosan , lidocaine hydrochloride , norfloxacin and inspect the suction water of sponge . Extracting lidocaine hydrochloride and norfloxacin with acid and alkali then determining the content of them by spectrophotometic method .
