A capillary GC method for the determination of residual solvents——ethanol, ethyl acetate and toluene in isradipine was established. A ZB-624 capillary column was used. The calibration curves were linear in the range...A capillary GC method for the determination of residual solvents——ethanol, ethyl acetate and toluene in isradipine was established. A ZB-624 capillary column was used. The calibration curves were linear in the ranges of 30 - 600, 30 - 600, 10 - 150μg/ml, respectively. The average recoveries were 100.2%, 99.3% and 97.5%, respectively.展开更多
文摘A capillary GC method for the determination of residual solvents——ethanol, ethyl acetate and toluene in isradipine was established. A ZB-624 capillary column was used. The calibration curves were linear in the ranges of 30 - 600, 30 - 600, 10 - 150μg/ml, respectively. The average recoveries were 100.2%, 99.3% and 97.5%, respectively.