Table 1.
Recovery of PAHs from spiked soil
| Compounds | m/z | # of ring | log Kow | Sand | Loamy sand | SRM 1649a | |||
|---|---|---|---|---|---|---|---|---|---|
| Recovery (%) | R.S.D.a(%) | Recovery (%) | R.S.D. (%) | Recovery (%) | R.S.D. (%) | ||||
| Acenaphthene | 152 | 3 | 4.0 | 85.30 | 3.32 | 82.87 | 5.77 | NAb | NA |
| Acenaphthylene | 154 | 3 | 4.7 | 85.34 | 3.15 | 61.66 | 5.38 | NA | NA |
| Anthracene | 178 | 3 | 4.5 | 89.01 | 3.89 | 85.82 | 7.14 | 131.75 | 1.43 |
| Benz[a]anthracene | 228 | 4 | 5.6 | 103.40 | 3.64 | 96.55 | 7.86 | 61.22 | 20.97 |
| Benzo[a]pyrene | 252 | 5 | 6.1 | 103.41 | 2.32 | 88.66 | 8.30 | 74.21 | 1.95 |
| Benzo[b]fluoranthene | 252 | 5 | 6.0 | 114.19 | 3.08 | 101.39 | 11.90 | 120.66 | 3.92 |
| Benzo[k]fluoranthene | 252 | 5 | 6.1 | 100.60 | 3.11 | 90.90 | 9.19 | 96.28 | 1.24 |
| Chrysene | 228 | 4 | 5.2 | 108.70 | 3.63 | 103.46 | 7.59 | 106.73 | 0.61 |
| Fluoranthene | 202 | 4 | 4.9 | 91.78 | 3.90 | 90.30 | 9.81 | 103.67 | 10.88 |
| Fluorene | 166 | 3 | 4.2 | 88.51 | 3.58 | 96.86 | 5.49 | NA | NA |
| Indeno[1,2,3-cd]pyrene | 276 | 6 | 6.6 | 102.61 | 1.89 | 79.83 | 9.34 | NA | NA |
| Naphthalene | 128 | 2 | 3.3 | 80.67 | 1.80 | 82.77 | 1.97 | NA | NA |
| Phenanthrene | 178 | 3 | 4.5 | 88.97 | 3.90 | 83.28 | 7.83 | 87.32 | 0.72 |
| Pyrene | 202 | 4 | 4.2 | 96.43 | 3.93 | 89.60 | 15.37 | 107.85 | 13.80 |
The results were calculated based on seven replicates.
a
R.S.D. = (standard deviation)/average × 100%.
b
NA: not applicable; comparison data are not available.