Research Article
Multiple PAHs’ Detection under CDOM Interference Based on Excitation-Emission Matrix and Interval Selection
Table 4
Results of the recovery tests for four PAH measurements.
| Spiked PAHs | Original concentration | Added concentration | Measured concentration | Recovery (%) | Average recovery (%) |
| FLU | 9.88 ± 0.19 | 2.38 | 12.39 ± 0.31 | 105.4 | 103.3 | 9.88 ± 0.19 | 1.19 | 11.17 ± 0.22 | 108.4 | 9.88 ± 0.19 | 0.71 | 10.57 ± 0.17 | 97.2 |
| PYR | 10.16 ± 0.23 | 2.38 | 12.75 ± 0.20 | 109.0 | 103.2 | 10.16 ± 0.23 | 1.19 | 11.32 ± 0.19 | 97.7 | 10.16 ± 0.23 | 0.71 | 10.89 ± 0.32 | 102.8 |
| PHE | 9.84 ± 0.39 | 2.38 | 12.39 ± 0.14 | 107.2 | 107.4 | 9.84 ± 0.39 | 1.19 | 11.14 ± 0.21 | 109.5 | 9.84 ± 0.39 | 0.71 | 10.59 ± 0.23 | 105.6 |
| BaP | 9.96 ± 0.14 | 2.38 | 12.30 ± 0.18 | 98.2 | 101.4 | 9.96 ± 0.14 | 1.19 | 11.19 ± 0.17 | 103.5 | 9.96 ± 0.14 | 0.71 | 10.69 ± 0.12 | 102.4 |
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