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在０１ｍ ｏｌ／ＬＫＨ２ＰＯ４ＮａＯＨ（ｐＨ６．８±０２） 的缓冲溶液中，在Ｈ２Ｏ２存在下环丙沙星产生一极谱催化波，其二阶导数阴极催化波峰高与环丙沙星浓度在９８５×１０－ ７～１９７×１０－ ５ｍ ｏｌ／Ｌ范围内呈良好的线性关系，相关系数为０９９９７。该法已用于测定盐酸环丙沙星片中的环丙沙星的含量，结果满意。实验证明其电极过程具有吸附催化波的特征。
In a buffer solution of 01mol / L KH2PO4NaOH (pH6.8 ± 0.2), a polarographic catalytic wave was produced by ciprofloxacin in the presence of H2O2. The second-order derivative cathodic catalysis peak was higher than that of ciprofloxacin The star concentration showed a good linear relationship in the range of 985 × 10-7 ~ 197 × 10-5 mol / L with a correlation coefficient of 09997. The method has been used to determine the content of ciprofloxacin hydrochloride tablets ciprofloxacin, with satisfactory results. Experiments show that the electrode process has the characteristics of adsorption catalytic wave.