节点文献
反相高效液相色谱法测定克霉唑阴道泡腾片的含量和有关物质
RP-HPLC determination of content and related substances of clotrimazole vaginal effervescent tablets
【摘要】 目的:建立反相高效液相色谱法测定克霉唑阴道泡腾片含量及其有关物质。方法:采用 Thermo C18(250 mm×4.6 mm,5μm)色谱柱,以磷酸盐缓冲溶液(取磷酸氢二钾4.35 g,用水适量溶解并稀释至1000 mL)-甲醇(22.5:77.5)为流动相;检测波长254 nm,流速1.0 mL·min-1,按峰面积外标法计算。结果:克霉唑在50.0~1000.0μg·mL-1浓度范围内呈良好的线性关系(r=0.9994),方法回收率为99.3%~100.6%(n=5),克霉唑含量在99.9%~104.2%之间,有关物质含量少于0.79%。结论:本方法简便、快速,结果准确、可靠,重现性好,所测该药含量及有关物质均在合格范围之内。
【Abstract】 Objective:To establish an HPLC method for the determination of content and related substances of clot- rimazole vaginal effervescent tablets.Method:A Thermo C18(250 mm×4.6 mm,5 μm) column was used.The mo- bile phase composed of buffer( dipotassium hydrogen phosphate 4.35 g duilt water to 1000 mL)-methanol(22.5: 77.5).Detection wavelength was 254 nm,flow rate was 1.0 mL·min-1.Results:The linearity of the calibration curvewas well correlated (r=0.9994) within the range of 50.0-1000.0 μg·mL-1.The recovery was 99.3%- 100.6% (n=5).The content of related substances were less than 0.79%.Conclusion:The method is simple,rap- id ,results are aeeuate and good reproducible,The content and related substances of elotrimazole vaginal effervescent tablets are both within acceptable range.
【Key words】 clotrimazole; vaginal effervescent tablets; related substances; RP-HPLC;
- 【文献出处】 药物分析杂志 ,Chinese Journal of Pharmaceutical Analysis , 编辑部邮箱 ,2008年04期
- 【分类号】R927
- 【被引频次】5
- 【下载频次】86