Research Article
Multiple PAHs’ Detection under CDOM Interference Based on Excitation-Emission Matrix and Interval Selection
Table 2
Prediction values of single-excitation interval PLS in the test samples (μg/L).
| FLU | Actual concentration | 3.0 | 7.5 | 12.5 | 17.5 | 15.0 | MRE (%) | Prediction concentration (Mix-PAH) | 3.90 | 7.35 | 12.88 | 17.77 | 14.86 | 2.05 | Prediction concentration (HA-PAH) | 3.31 | 7.36 | 12.19 | 18.31 | 15.84 | 4.30 |
| PYR | Actual concentration | 6.0 | 17.5 | 12.5 | 2.5 | 15.0 | | Prediction concentration (Mix-PAH) | 6.41 | 16.31 | 13.24 | 2.07 | 15.13 | 4.87 | Prediction concentration (HA-PAH) | 4.98 | 16.95 | 12.90 | 2.52 | 14.18 | 4.54 |
| PHE | Actual concentration | 9.0 | 16.0 | 5.0 | 12.5 | 20.0 | | Prediction concentration (Mix-PAH) | 8.43 | 13.75 | 6.59 | 12.78 | 19.46 | 6.90 | Prediction concentration (HA-PAH) | 7.37 | 15.37 | 5.18 | 11.47 | 17.97 | 7.39 |
| BaP | Actual concentration | 12.0 | 9.0 | 3.0 | 6.0 | 16.0 | | Prediction concentration (Mix-PAH) | 12.51 | 9.44 | 3.57 | 6.04 | 15.70 | 3.20 | Prediction concentration (HA-PAH) | 12.47 | 9.52 | 3.70 | 6.13 | 15.72 | 3.36 |
|
|
MRE values are listed in the last column.
|