Table 7.
Method recovery (R%) and repeatability of measurement (RSDM%) and sample preparation (RSDP%) in maize using solvent and matrix-matched calibration.
| Maize | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spike Level 1 | Spike Level 2 | Spike Level 3 | ||||||||||||||||||
| R% | RSDM% | RSDP% | R% | RSDM% | RSDP% | R% | RSDM% | RSDP% | Average R% | |||||||||||
| Analyte | Solvent | Matrix | Solvent | Matrix | Solvent | Matrix | Solvent | Matrix | Solvent | Matrix | Solvent | Matrix | Solvent | Matrix | Solvent | Matrix | Solvent | Matrix | Solvent | Matrix |
| AFB1 | 101.0 | 109.9 | 5.4 | 5.9 | 6.9 | 10.6 | 73.3 | 101.7 | 3.5 | 2.0 | 5.8 | 3.2 | 75.9 | 96.0 | 1.8 | 1.7 | 5.2 | 4.1 | 83.4 | 102.5 |
| AFB2 | 88.8 | 85.3 | 8.4 | 12.6 | 9.4 | 15.9 | 75.6 | 106.8 | 6.3 | 6.9 | 9.4 | 15.9 | 84.5 | 98.2 | 6.4 | 4.7 | 12.6 | 13.9 | 83.0 | 96.8 |
| AFG1 | 98.5 | 81.8 | 8.0 | 10.4 | 13.7 | 13.6 | 82.1 | 83.1 | 2.4 | 3.2 | 3.9 | 4.1 | 94.5 | 96.2 | 3.7 | 4.1 | 5.0 | 5.2 | 91.7 | 87.0 |
| AFG2 | 95.4 | 115.7 | 7.1 | 8.9 | 8.9 | 9.7 | 83.7 | 102.1 | 4.6 | 6.8 | 5.7 | 8.4 | 96.0 | 115.7 | 4.9 | 4.7 | 8.4 | 5.4 | 91.7 | 111.2 |
| DON | 69.0 | 66.4 | 3.5 | 6.4 | 5.6 | 7.0 | 119.6 | 95.4 | 2.6 | 2.2 | 3.6 | 4.1 | 91.3 | 99.7 | 2.6 | 2.9 | 4.9 | 4.1 | 93.3 | 87.2 |
| FB1 | 169.0 | 95.2 | 1.7 | 1.6 | 3.3 | 3.1 | 349.7 | 104.4 | 1.1 | 1.2 | 2.3 | 2.4 | 800.6 | 108.8 | 3.9 | 2.3 | 1.6 | 2.8 | 439.8 | 102.8 |
| FB2 | 180.3 | 104.7 | 1.4 | 1.5 | 3.5 | 1.6 | 151.9 | 102.8 | 1.8 | 1.9 | 3.1 | 3.0 | 164.6 | 107.8 | 1.0 | 1.7 | 2.8 | 3.2 | 165.6 | 105.1 |
| ZEA | 79.1 | 81.5 | 2.6 | 3.1 | 4.0 | 3.5 | 70.4 | 78.0 | 1.2 | 1.4 | 2.7 | 2.5 | 91.5 | 100.8 | 1.2 | 1.2 | 2.8 | 2.8 | 80.3 | 86.8 |
| T-2 | 93.0 | 99.7 | 3.9 | 2.5 | 7.3 | 4.8 | 117.9 | 98.2 | 1.9 | 4.1 | 3.1 | 4.1 | 114.3 | 107.0 | 2.0 | 2.0 | 2.7 | 2.8 | 108.4 | 101.6 |
| HT-2 | 79.4 | 99.4 | 9.2 | 6.4 | 14.9 | 8.6 | 102.0 | 81.5 | 4.1 | 4.4 | 6.3 | 6.4 | 122.6 | 99.1 | 4.4 | 3.3 | 7.4 | 4.1 | 101.3 | 93.3 |
| OTA | 108.7 | 112.8 | 11.4 | 5.4 | 19.4 | 6.7 | 36.6 | 102.1 | 20.0 | 8.4 | 14.2 | 7.2 | 60.7 | 93.9 | 9.3 | 9.7 | 9.1 | 6.1 | 68.7 | 102.9 |