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Validation parameters.
| Parameter | Results | ||
|---|---|---|---|
| IAA | IPA | ABA | |
| Linearity range, ng mL−1 | 1–10000 | 5–10000 | 5–10000 |
| Correlation coefficient | 0.9997 | 0.9997 | 0.9998 |
| Equation | y = 0.0236x − 0.0831 | y = 0.0211x − 0.5677 | y = 0.4456x − 14.576 |
| LOD, ng mL−1 | 1.82 | 5.16 | 5.85 |
| LOQ, ng mL−1 | 5.51 | 15.64 | 17.73 |
| Recovery, % | 97.5 ± 1.5 | 98.7 ± 1.3 | 98.2 ± 2.7 |
| Stability | Stable over 24 h at room temperature, RSD less than 2.0% | ||
