格隆溴铵立体异构体杂质的毛细管电泳测定——推荐一个药物分析实验
|
|
李凤, 孟然然, 张含智, 屈颖娟, 康经武
|
Determination of Stereoisomeric Impurities of Glycopyrrolate Bromide by Capillary Electrophoresis: Recommendation of a Pharmaceutical Analysis Experiment
|
|
Feng Li, Ranran Meng, Hanzhi Zhang, Yingjuan Qu, Jingwu Kang
|
|
表1 方法确证数据
|
| |
|
| 异构体名称 | 日内的重复性(RSD%,n = 6) | | 日间的重复性(RSD%,n = 6) | | 迁移时间 | 峰面积 | | 迁移时间 | 峰面积 | 线性方程 | R2 | LOQ (mg∙mL−1) | LOD (mg∙mL−1) | | Glycopyrrolate | 0.03 | 7.88 | | 1.78 | 8.04 | y = 219680x + 33.94 | 0.996 | 0.015 | 0.005 | | Impurity A | 0.05 | 8.23 | | 1.60 | 5.28 | y = 229457x − 1504 | 0.990 | 0.015 | 0.005 | | Enantiomer | 0.11 | 10.77 | | 1.60 | 0.63 | y = 249739.8x − 3220 | 0.992 | 0.015 | 0.005 | | Impurity B | 0.16 | 6.92 | | 1.84 | 11.69 | y = 242651x − 1513 | 0.996 | 0.015 | 0.005 |
|
|
|