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Intermediate precision and accuracy, matrix effects and recovery.
| Analyte | Nominal Conc. |
Intermediate precision and accuracy |
Matrix Effects (ME) | Recovery | ||||
|---|---|---|---|---|---|---|---|---|
| (pg/mL) | CV (%) |
Bias (%) |
ME (%) |
CV (%) |
ME corr (%) a | % | CV (%) |
|
| Carfentanil | 15 | 9.5 | −7.5 | |||||
| 25 | 7.9 | −7.6 | 97 | 13 | 107 | 91 | 11 | |
| 501 | 7.6 | −3.1 | ||||||
| 4008 | 6.6 | 3.2 | 103 | 2.3 | 101 | 88 | 12 | |
| Norcarfentanil | 15 | 15 | 4.4 | |||||
| 25 | 8.3 | 3.8 | 89 | 5.8 | 91 | 84 | 10 | |
| 501 | 9.1 | −2.4 | ||||||
| 4008 | 6.4 | −0.6 | 98 | 2.8 | 97 | 81 | 5.1 | |
ME corrected with Internal Standard
