A method based on capillary electrophoresis with a high frequency conductivity method was(developed) for the determination of eugenol in several Chinese herbal medicines from different producing areas.In this study,so...A method based on capillary electrophoresis with a high frequency conductivity method was(developed) for the determination of eugenol in several Chinese herbal medicines from different producing areas.In this study,some key factors for separation and detection were studied and the best analysis conditions were obtained.In the buffer system of 2.0 mmol/L triethylamine +0.74 mol/L methanol at separation potential of 18.0 kV,the optimal separation and detection was obtained.Under the chosen conditions,eugenol was eluted within 7 min.The linear range of eugenol was 2.0—540 μg/mL,the limit of detection was 0.6 μg/mL,and the recovery ranged from 93.3% to 106%.展开更多
文摘A method based on capillary electrophoresis with a high frequency conductivity method was(developed) for the determination of eugenol in several Chinese herbal medicines from different producing areas.In this study,some key factors for separation and detection were studied and the best analysis conditions were obtained.In the buffer system of 2.0 mmol/L triethylamine +0.74 mol/L methanol at separation potential of 18.0 kV,the optimal separation and detection was obtained.Under the chosen conditions,eugenol was eluted within 7 min.The linear range of eugenol was 2.0—540 μg/mL,the limit of detection was 0.6 μg/mL,and the recovery ranged from 93.3% to 106%.
