| Sample | Added /μg/mL | Average recovery/% | RSD /% | Added /μg/mL | Average recovery/% | RSD /% | Added /μg/mL | Average recovery/% | RSD /% |
| Cotton | 1.1 | 83.2 | 4.5 | 5.4 | 89.6 | 3.2 | 21.4 | 95.4 | 1.8 |
| Polyester | 1.1 | 81.9 | 4.9 | 5.4 | 87.9 | 4.1 | 21.4 | 94.7 | 2.8 |
| Wool | 1.1 | 82.3 | 5.2 | 5.4 | 88.5 | 3.6 | 21.4 | 91.5 | 2.4 |
| Nylon | 1.1 | 82.6 | 4.7 | 5.4 | 91.3 | 2.9 | 21.4 | 93.6 | 2.2 |