Table 3.
Calibration results obtained with PAL SPME Arrow (250 μm × 20 mm, 10.2 μL) in ultrapure water and groundwater: MDL values (calculated with a 99 % confidence interval) and relative standard deviations (RSD)
| Compound | Ultrapure water | Groundwater | ||
|---|---|---|---|---|
| MDL (ng L−1) | RSD (%) (at 10 ng L−1) | MDL (ng L−1) | RSD (%) (at 10 ng L−1) | |
| Naphthalene | 0.3 | 5.7 | 1.2 | 6.9 |
| Acenaphthylene | 0.2 | 6.0 | 0.9 | 4.8 |
| Acenaphthene | 0.1 | 7.1 | 2.3 | 13.0 |
| Fluorene | 0.2 | 5.6 | 1.9 | 10.6 |
| Phenanthrene | 0.2 | 5.5 | / | / |
| Anthracene | 0.3 | 7.6 | / | / |
| Pyrene | 0.2 | 6.4 | / | / |
| Fluoroanthene | 0.2 | 6.2 | / | / |
| 1,2-Benzanthracene | 0.1 | 6.2 | 0.7 | 3.8 |
| Chrysene | 0.1 | 11.0 | 0.8 | 4.3 |
| Benzo(b)fluoroanthene | 0.2 | 10.5 | 0.6 | 3.4 |
| Benzo(k)fluoroanthene | 0.2 | 8.6 | 0.6 | 3.2 |
| Benzo(a)pyrene | 0.3 | 7.2 | 0.5 | 2.4 |
| Indeno(1,2,3 cd)pyrene | 0.8 | 9.2 | / | / |
| Dibenz(ah)anthracene | 0.6 | 11.3 | 0.7 | 3.8 |
| Benzo(ghi)perylene | 0.8 | 11.9 | 0.6 | 3.4 |