Table III.
Matrix effect, recovery and repeatability
| Compound | Concentration (ng/mL) | Matrix effect (%) | Recovery (%) | Repeatability (RSD %) |
|
|---|---|---|---|---|---|
| Intraday | Interday | ||||
| PMA | 25 | −3.44 | 96.1 | 9.3 | 11.1 |
| 200 | −6.79 | 79.2 | 11.2 | 11.3 | |
| 400 | −5.55 | 73.0 | 10.5 | 9.8 | |
| PMMA | 25 | −6.25 | 82.9 | 8.6 | 10.0 |
| 200 | −6.77 | 88.9 | 7.7 | 9.9 | |
| 400 | −9.06 | 73.5 | 8.4 | 8.5 | |
| TMA | 25 | −8.65 | 72.3 | 9.8 | 13.0 |
| 200 | −4.53 | 88.0 | 6.9 | 12.3 | |
| 400 | −2.96 | 90.5 | 8.2 | 11.2 | |
| DMA | 25 | −0.76 | 96.0 | 11.4 | 15.0 |
| 200 | −3.05 | 92.9 | 12.5 | 14.5 | |
| 400 | −3.78 | 96.1 | 13.0 | 13.5 | |
| DOM | 25 | −10.7 | 77.5 | 10.0 | 9.9 |
| 200 | −6.97 | 88.9 | 9.2 | 10.5 | |
| 400 | −4.99 | 95.0 | 9.3 | 10.8 | |
| DOET | 25 | −9.30 | 84.6 | 13.1 | 14.7 |
| 200 | −11.5 | 89.9 | 14.0 | 14.1 | |
| 400 | −8.90 | 86.9 | 12.5 | 13.5 | |
| DOB | 25 | −7.87 | 85.4 | 8.8 | 10.2 |
| 200 | −6.97 | 95.5 | 8.6 | 10.8 | |
| 400 | −7.02 | 85.2 | 10.2 | 12.0 | |
| 2C-B | 25 | −8.82 | 91.9 | 13.3 | 13.8 |
| 200 | −5.45 | 94.4 | 12.0 | 13.1 | |
| 400 | −10.2 | 92.8 | 11.9 | 12.7 | |
| 2C-I | 25 | −7.36 | 75.2 | 7.8 | 10.9 |
| 200 | −8.21 | 91.1 | 8.7 | 11.5 | |
| 400 | −6.60 | 90.3 | 9.6 | 11.8 | |
| 2C-T-2 | 25 | −10.6 | 85.5 | 11.4 | 14.3 |
| 200 | −9.45 | 85.4 | 11.6 | 13.7 | |
| 400 | −7.31 | 81.3 | 12.0 | 13.5 | |
| 2C-T-7 | 25 | −4.09 | 94.3 | 14.0 | 13.2 |
| 200 | −9.34 | 75.7 | 12.1 | 12.6 | |
| 400 | −2.29 | 85.0 | 13.0 | 14.1 | |
| MDMA | 25 | −4.50 | 88.6 | 11.1 | 13.2 |
| 200 | −6.24 | 85.4 | 9.8 | 10.2 | |
| 400 | −6.33 | 89.0 | 8.6 | 11.0 | |
| MDE | 25 | −2.87 | 77.1 | 10.1 | 11.3 |
| 200 | −8.53 | 78.2 | 12.1 | 10.8 | |
| 400 | −5.12 | 79.3 | 9.7 | 10.7 | |