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为探索一种简便测定口服避孕药含量的方法,本研究利用岛津Cs-930型双波长薄层扫描仪及BJQI薄层自动铺板器,采用薄层扫描法对口服避孕药滴丸中左旋甲基炔诺酮、炔雌醇含量进行测定。其稳定性、精密度、重现性三种试验结果均符合标准,左旋甲基炔诺酮及炔雌醇加样回收率分别达到98.73％和100％。样品测定结果与比色法对比基本一致。本方法操作简单,测定条件宜控制,并可同时测定两组含量,且能与杂质分离,结果准确。
In order to explore a simple method for the determination of oral contraceptives, this study used Shimadzu Cs-930 dual-wavelength thin-layer scanner and BJQI automatic thin-layer device, the use of thin layer scanning method for oral contraceptive pills L Norethindrone, ethinyl estradiol levels were measured. The stability, precision and reproducibility of the three test results are in line with standards, levonorgestrel and ethinyl estradiol sample recovery rates were 98.73% and 100%. The results of the samples are basically the same as the colorimetric method. The method is simple to operate, the measurement conditions should be controlled, and the two groups of contents can be simultaneously measured, separated from the impurities and the result is accurate.