Table 2 Determination of nine PAEs in real samples.
|  | eraser 1 (ng/mL) | RSD (%) | Spiked 20 ng/mL | RSD (%) | Spiked 50 ng/mL | RSD (%) | eraser 2 (ng/mL) | RSD (%) | eraser 3 (ng/mL) | RSD (%) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
found (ng/mL) | recovery (%) | found (ng/mL) | recovery (%) | |||||||||
DMP | Â | Â | 21.2 | 106.0 | 5.4 | 51.3 | 102.6 | 5.4 | 58.8 | 3.4 | 18.0 | 4.8 |
DEP | 11.4 | 6.1 | 31.8 | 101.4 | 5.6 | 58.6 | 95.5 | 5.0 | 31.1 | 4.8 | 12.9 | 7.4 |
DPrP | Â | Â | 21.0 | 105.0 | 4.8 | 49.4 | 98.8 | 6.4 | Â | Â | Â | Â |
BBP | Â | Â | 19.3 | 96.2 | 4.1 | 51.3 | 102.6 | 5.7 | 13.6 | 6.2 | Â | Â |
DIBP | Â | Â | 19.3 | 96.5 | 6.8 | 49.0 | 98.0 | 7.6 | Â | Â | Â | Â |
DBP | Â | Â | 20.2 | 100.8 | 7.7 | 53.4 | 106.7 | 6.5 | Â | Â | Â | Â |
DNPP | Â | Â | 21.4 | 107.1 | 5.6 | 52.8 | 105.6 | 6.5 | >200 | Â | Â | Â |
DEHP | 16.9 | 5.7 | 35.3 | 95.7 | 6.7 | 63.6 | 95.1 | 5.8 | Â | Â | 23.0 | 4.3 |
DNOP | Â | Â | 19.0 | 95.0 | 7.8 | 47.7 | 95.4 | 6.1 | Â | Â | Â | Â |
