Table 2.
Precision and repeatability for the assay of seven CQAs.
| Compounds | Precision (n = 6) | Repeatability (n = 6) | ||
|---|---|---|---|---|
| Peak Area | RSD (%) | Peak Area | RSD (%) | |
| (Mean ± SD) | (Mean ± SD) | |||
| 5-CQA | 1,136,633 ± 3726.424 | 0.33 | 1,082,853 ± 4128.5 | 0.38 |
| 4-CQA | 1,066,820 ± 6423.833 | 0.60 | 1,525,283 ± 6265.7 | 0.41 |
| 3-CQA | 1,137,426 ± 6394.687 | 0.56 | 80,8061.5 ± 6960.9 | 0.86 |
| 1,3-diCQA | 1,454,276 ± 7509.603 | 0.52 | 1,106,342 ± 4587.3 | 0.41 |
| 3,5-diCQA | 1,743,660 ± 8783.64 | 0.50 | 1,958,000 ± 9040.1 | 0.46 |
| 3,4-diCQA | 1,723,104 ± 8654.263 | 0.50 | 2,705,500 ± 11,548.1 | 0.43 |
| 4,5-diCQA | 1,783,382 ± 8864.299 | 0.49 | 1,327,115 ± 18,610.1 | 1.4 |