Table 1.
Method performance: linearity, matrix effect (SSE %), recovery and LOQ.
| Analyte | Linearity (r2) | SSE (%) | Recovery (%) | Precision (%) [RSDr, (RSDR)] | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 ng/g 1 | 10 ng/g | 20 ng/g | 50 ng/g | 2 ng/g 1 | 10 ng/g | 20 ng/g | 50 ng/g | LOQ (ng/g) | |||
| AFG2 | 0.9975 | 111 | 78 | 77 | 81 | 98 | 16 (19) | 5 (6) | 6 (6) | 5 (4) | 0.78 |
| AFG1 | 0.9982 | 106 | 81 | 86 | 86 | 105 | 12 (9) | 16 (19) | 7 (6) | 11 (10) | 1.56 |
| AFB1 | 0.9984 | 115 | 71 | 91 | 98 | 107 | 14 (13) | 10 (8) | 4 (4) | 4 (3) | 0.20 |
| AFB2 | 0.9998 | 111 | 86 | 88 | 91 | 103 | 18 (15) | 10 (8) | 7 (5) | 5 (4) | 0.20 |
| NEO | 0.9988 | 112 | 88 | 93 | 104 | 18 (14) | 16 (18) | 17 (18) | 0.78 | ||
| HT-2 | 0.9984 | 108 | 113 | 101 | 92 | 12 (14) | 16 (11) | 12 (15) | 6.25 | ||
| T-2 | 0.9990 | 83 | 89 | 98 | 110 | 19 (13) | 9 (7) | 7 (10) | 0.78 | ||
| α-ZEL | 0.9943 | 81 | 81 | 94 | 100 | 11 (11) | 10 (14) | 5 (16) | 6.25 | ||
| β-ZEL | 0.9985 | 84 | 106 | 103 | 89 | 8 (18) | 15 (16) | 9 (11) | 3.13 | ||
| ZAN | 0.9992 | 108 | 111 | 100 | 105 | 15 (13) | 18 (11) | 5 (13) | 1.56 | ||
| ZEN | 0.9991 | 109 | 104 | 103 | 93 | 5 (16) | 15 (14) | 10 (19) | 3.13 | ||
| ENN B | 0.9998 | 102 | 63 | 63 | 65 | 18 (19) | 18 (18) | 6 (7) | 6.25 | ||
| ENN B1 | 0.9982 | 99 | 83 | 89 | 85 | 12 (11) | 8 (6) | 8 (8) | 1.56 | ||
| ENN A | 0.9942 | 84 | 96 | 91 | 80 | 11 (9) | 14 (17) | 11 (12) | 3.13 | ||
| ENN A1 | 0.9972 | 87 | 92 | 101 | 90 | 12 (14) | 9 (6) | 7 (14) | 1.56 | ||
| BEA | 0.9971 | 119 | 80 | 71 | 63 | 18 (17) | 10 (18) | 10 (19) | 6.25 | ||
1 Additional fortification level only for AFs.