Table 4 Results of intra-day precision of apigenin solution
Experiment time for day 1 | Concentration (μg/ml) | Peak area | Retention time (min) | (%)RSD of peak area |
|---|---|---|---|---|
9:00 am | 0.5 | 19,404.17 | 4.28 | 1.38 |
4 | 129,483 | 4.29 | 0.39 | |
16 | 673,361.8 | 4.30 | 0.78 | |
1:00 pm | 0.5 | 19,404.17 | 4.31 | 1.38 |
4 | 129,707.2 | 4.29 | 0.27 | |
16 | 673,361.8 | 4.28 | 1.05 | |
6:00 pm | 0.5 | 19,497.17 | 4.27 | 0.34 |
4 | 129,882.5 | 4.27 | 0.32 | |
16 | 682,828 | 4.28 | 0.11 |