【摘要】 目的:研究用离子色谱法测定蚁安康胶囊中蚁酸(甲酸)的可行性。方法:美国D ionex公司DX-120型离子色谱仪,ION Pac As14 4×250 mm分析柱,CDM-3电导检测器,0.56 mmol/L NaHCO3溶液,流速为1.2 ml/min,以保留时间定性,峰面积定量。结果:甲酸的最低检出限为0.0142 mg/L;标准在1.0~8.0 mg/L范围线性良好,相关系数为0.9993;RSD%为0.575~0.713;回收率为91.00%~99.62%。结论:采用离子色谱法测定蚁安康胶囊中甲酸的含量是具有分析时间短,准确度高等优点,适合于蚁安康胶囊中甲酸含量的测定。更多还原

【Abstract】 Objective: To investigate the feasibility of testing the formic acid of the ants ankang capsule by the chromatography of ions.Methods:American Dionex Company DX-120 ion chromatograph,ION Pac As14 4×250 mm analytical column,CDM-3conductivity detector,0.56 mmol/L NaHCO3 liquor,the speed was 1.2 ml/min,retention time qualitative analysis,and the peak area quantitative analysis.Results:The minimum detectability of formic acid was 0.0142 mg/L,the concentration range of standard curve was between 1.0~8.0 mg/L,and the linearity in the range was all right.The correlation coefficient was 0.9993,the RSD% was 0.575~0.713 and the percent recovery 91.00%~99.62%.Conclusion:Using the chromatography of ions to test the formic acid of Ants Ankang capsule can save the time and has the high accuracy.It is suitable for the determination of the formic Acid of Ants ankang capsule.更多还原