Table 2.
The accuracy and precision methods of PCBs.
| Compound | Spiking levels | Blank Matrix |
Within-run precision for serum from random donors (n = 3, RSD %) | |||||
|---|---|---|---|---|---|---|---|---|
| Accuracy (Bias %) |
Precision (RSD %) |
|||||||
| Within-run | Between-run | Within-run | Between-run | |||||
| PCB8 | Low | 1.3% | 4.4% | 1.2% | 3.8% | 11.70% | 4.65% | 2.40% |
| High | 0.2% | 2.7% | 4.8% | 10.5% | ||||
| PCB18 | Low | 3.4% | 11.4% | 6.9% | 8.6% | 6.00% | 8.10% | 2.10% |
| High | 1.9% | 6.5% | 2.5% | 11.3% | ||||
| PCB28 | Low | 1.1% | 6.8% | 6.9% | 11.6% | 7.50% | 0.90% | 2.25% |
| High | 1.8% | 3.0% | 0.3% | 11.0% | ||||
| PCB44 | Low | 6.4% | 7.2% | 7.1% | 15.6% | 8.10% | 8.10% | 6.15% |
| High | 4.6% | 5.6% | 6.8% | 10.7% | ||||
| PCB52 | Low | 2.3% | 4.2% | 3.8% | 6.9% | 5.12% | 4.56% | 7.33% |
| High | 1.2% | 5.0% | 2.9% | 4.1% | ||||
| PCB66 | Low | 8.0% | 11.4% | 9.5% | 10.4% | 4.95% | 3.90% | 8.55% |
| High | 5.1% | 9.0% | 6.0% | 8.1% | ||||
| PCB101 | Low | 2.2% | 15.0% | 4.2% | 5.4% | 1.50% | 1.20% | 2.70% |
| High | 6.7% | 8.0% | 5.9% | 9.9% | ||||
| PCB81 | Low | 9.2% | 10.0% | 2.1% | 2.4% | 4.80% | 5.40% | 6.15% |
| High | 6.8% | 11.1% | 2.8% | 8.4% | ||||
| PCB77 | Low | 9.9% | 10.0% | 3.0% | 7.0% | 10.95% | 11.70% | 8.85% |
| High | 2.1% | 5.0% | 3.8% | 8.7% | ||||
| PCB123 | Low | 0.3% | 7.0% | 0.5% | 1.4% | 3.00% | 8.40% | 5.10% |
| High | 9.6% | 10.5% | 0.3% | 5.1% | ||||
| PCB118 | Low | 11.3% | 13.4% | 0.3% | 2.2% | 9.90% | 10.65% | 7.50% |
| High | 0.2% | 6.8% | 5.6% | 10.1% | ||||
| PCB114 | Low | 5.4% | 9.6% | 0.5% | 4.6% | 9.00% | 5.25% | 2.40% |
| High | 3.1% | 3.6% | 10.5% | 11.6% | ||||
| PCB153 | Low | 1.3% | 14.2% | 3.6% | 10.2% | 4.20% | 11.70% | 6.45% |
| High | 0.9% | 11.7% | 5.3% | 10.7% | ||||
| PCB105 | Low | 1.7% | 11.2% | 4.8% | 9.8% | 10.35% | 4.50% | 10.65% |
| High | 5.7% | 6.8% | 4.1% | 5.1% | ||||
| PCB138 | Low | 0.7% | 1.4% | 2.1% | 12.4% | 8.70% | 9.75% | 4.20% |
| High | 0.8% | 1.4% | 5.1% | 7.5% | ||||
| PCB126 | Low | 7.2% | 9.4% | 7.6% | 13.2% | 6.90% | 4.20% | 1.95% |
| High | 1.5% | 2.1% | 4.1% | 5.0% | ||||
| PCB187 | Low | 7.2% | 14.6% | 9.8% | 13.2% | 4.20% | 8.70% | 1.80% |
| High | 4.4% | 4.5% | 2.4% | 7.4% | ||||
| PCB167 | Low | 4.3% | 8.2% | 1.1% | 9.4% | 5.10% | 10.65% | 6.90% |
| High | 4.1% | 10.5% | 6.0% | 6.3% | ||||
| PCB156 | Low | 0.1% | 3.2% | 1.7% | 6.4% | 0.75% | 3.75% | 8.70% |
| High | 0.9% | 6.9% | 0.2% | 6.3% | ||||
| PCB157 | Low | 7.7% | 10.6% | 6.6% | 11.0% | 5.70% | 6.90% | 6.15% |
| High | 6.5% | 8.3% | 1.8% | 8.0% | ||||
| PCB170 | Low | 6.0% | 10.4% | 1.7% | 2.0% | 3.60% | 5.10% | 2.70% |
| High | 0.4% | 3.6% | 2.1% | 9.6% | ||||
| PCB169 | Low | 2.1% | 8.4% | 4.8% | 7.6% | 8.25% | 7.05% | 7.65% |
| High | 1.7% | 9.3% | 2.6% | 11.0% | ||||
| PCB180 | Low | 1.9% | 2.0% | 5.2% | 12.8% | 7.80% | 6.30% | 7.05% |
| High | 3.2% | 6.8% | 1.4% | 3.6% | ||||
| PCB189 | Low | 3.6% | 3.8% | 5.8% | 13.4% | 2.70% | 0.90% | 3.75% |
| High | 2.2% | 2.6% | 6.8% | 10.4% | ||||
| PCB195 | Low | 3.1% | 4.0% | 3.5% | 8.6% | 9.75% | 10.80% | 11.40% |
| High | 3.4% | 9.9% | 2.7% | 5.1% | ||||
| PCB206 | Low | 0.1% | 12.4% | 1.8% | 4.8% | 6.75% | 4.50% | 10.80% |
| High | 0.0% | 3.3% | 4.8% | 5.9% | ||||