Table 2 Validation parameters of standard dilution method and relative matrix effect (MERel, %) of smoke water samples in karrikin analysis
Compounds | Method precision (% RSD) | Analytical accuracy (% bias) | MERel (%) | |||
|---|---|---|---|---|---|---|
0.5 μmol/l | 5 μmol/l | 0.5 μmol/l | 5 μmol/l | 0.5 μmol/l | 5 μmol/l | |
KAR1 | 5.2 | 8.1 | − 65.7 | − 42.8 | − 79.8 | − 61.0 |
KAR2 | 3.2 | 7.4 | − 68.0 | − 21.4 | − 71.5 | − 53.9 |
KAR-Br | – | – | – | – | − 28.6 | − 34.8 |