| Herbicides | Fortification level 0.2 μg/L | Fortification level 2.0 μg/L | Fortification level 5.0 μg/L | ||||||
| Mean (%) | RSDr (%) | RSDR (%) | Mean (%) | RSDr (%) | RSDR (%) | Mean (%) | RSDr (%) | RSDR (%) | |
| NS | 99.7 | 6.7 | 4.6 | 103.0 | 3.9 | 3.1 | 102.9 | 8.4 | 5.2 |
| TFM | 96.7 | 4.7 | 9.2 | 91.8 | 3.5 | 5.7 | 81.2 | 4.5 | 4.9 |
| MSM | 85.1 | 3.1 | 3.9 | 86.1 | 4.8 | 5.2 | 89.5 | 4.3 | 4.3 |
| SMM | 94.5 | 4.8 | 4.0 | 93.9 | 0.7 | 1.8 | 109.0 | 1.9 | 5.4 |
| CS | 90.9 | 2.4 | 6.2 | 87.5 | 3.2 | 2.5 | 104.9 | 6.4 | 3.7 |
| EMM | 87.7 | 2.4 | 7.9 | 93.5 | 1.3 | 5.4 | 96.5 | 3.6 | 2.6 |
| TBM | 91.3 | 4.4 | 5.2 | 98.1 | 4.0 | 5.2 | 86.2 | 3.7 | 3.3 |
| BSM | 89.7 | 4.0 | 4.6 | 96.9 | 2.9 | 4.4 | 104.6 | 1.0 | 5.3 |
| PSE | 86.9 | 4.5 | 3.8 | 93.2 | 3.6 | 6.1 | 109.1 | 8.2 | 3.4 |
| CME | 95.5 | 1.8 | 7.2 | 95.3 | 2.7 | 3.9 | 98.8 | 2.0 | 6.7 |