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R2LOQ
(mg∙mL−1)
LOD
(mg∙mL−1)
Glycopyrrolate0.037.881.788.04y = 219680x + 33.940.9960.0150.005
Impurity A0.058.231.605.28y = 229457x − 15040.9900.0150.005
Enantiomer0.1110.771.600.63y = 249739.8x − 32200.9920.0150.005
Impurity B0.166.921.8411.69y = 242651x − 15130.9960.0150.005