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采用反相高效液相色谱法测定甲硝唑栓的含量 :流动相为 0 .68g/ L磷酸二氢钾溶液 -甲醇 (930∶70 ,用 1 mol/ L磷酸液调节 p H至 4.0± 0 .1 ) ;检测波长为 32 0 nm;在 0～ 2 5μg/ ml范围内 ,线性关系良好
The content of metronidazole suppositories was determined by RP-HPLC: the mobile phase was 0.68g / L potassium dihydrogen phosphate solution-methanol (930:70, pH was adjusted to 4.0 ± 0 with 1 mol / L phosphoric acid solution .1); detection wavelength was 32 0 nm; in the range of 0 ~ 25 μg / ml, the linearity was good