Table 2.
SPE-UHPLC-QTOF method performance parameters
| Analyte | Wastewater influent | Wastewater effluent | River water | Digested sludge | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SPE recovery [%]1 | MDL [ng L−1] |
MQL [ng L−1] |
SPE recovery [%] | MDL [ng L−1] |
MQL [ng L−1] |
SPE recovery [%] | MDL [ng L−1] |
MQL [ng L−1] |
MAE recovery [%] |
MDL [ng g−1] |
MQL [ng g−1] |
|
| 2,4,5 and 2,4,6-trichlorophenol | 94.4 | 0.2 | 0.7 | 89.5 | 0.2 | 0.9 | 101.9 | 0.2 | 0.7 | 66.5 | 0.31 | 1.1 |
| 2-naphthol*3 | 140.7 | 0.06 | 0.2 | 91.4 | 0.07 | 0.3 | 109.8 | 0.1 | 0.2 | / | / | / |
| 4,4′-dihydroxybenzophenone | 106.6 | 0.06 | 0.2 | 100.6 | 0.06 | 0.2 | 109.5 | 0.1 | 0.2 | 59.7 | 0.01 | 0.03 |
| 4-benzylphenol* | 105.2 | 0.1 | 0.3 | 80.1 | 0.1 | 0.3 | 100.9 | 0.1 | 0.3 | / | / | / |
| 4-chloro-3,5-dimethylphenol | 90.8 | 0.04 | 0.1 | 80.7 | 0.04 | 0.12 | 101.5 | 0.03 | 0.1 | 131.9 | 0.02 | 0.08 |
| 4-chloro-3-methylphenol | 81.5 | 0.1 | 0.3 | 89.9 | 0.05 | 0.18 | 105.6 | 0.05 | 0.15 | 68.9 | 0.07 | 0.2 |
| 4-n-nonylphenol | 49.1 | 0.9 | 2.9 | 43.8 | 1.0 | 3.4 | 67.7 | 0.7 | 2.2 | 18.4 | 2.5 | 8.2 |
| Atrazine | 99.0 | 0.03 | 0.09 | 94.2 | 0.03 | 0.09 | 102.6 | 0.02 | 0.08 | 68.4 | 0.01 | 0.04 |
| Benzophenone-1 | 89.7 | 0.1 | 0.3 | 107.9 | 0.08 | 0.3 | 102.0 | 0.08 | 0.3 | 69.2 | 0.1 | 0.4 |
| Benzophenone-2 | 102.9 | 0.1 | 0.3 | 98.9 | 0.09 | 0.3 | 106.6 | 0.08 | 0.3 | 75.5 | 0.1 | 0.4 |
| Benzophenone-3 | 86.1 | 0.5 | 1.7 | 80.4 | 0.6 | 1.8 | 87.2 | 0.5 | 1.7 | 186.2 | 0.2 | 0.8 |
| Benzophenone-4 | 105.3 | 0.1 | 0.3 | 80.1 | 0.1 | 0.4 | 105.1 | 0.1 | 0.3 | 17.7 | 0.6 | 2.0 |
| Benzylparaben | 122.4 | 0.04 | 0.1 | 100.1 | 0.05 | 0.2 | 99.7 | 0.05 | 0.2 | 145.9 | 0.03 | 0.1 |
| Bisphenol A | 100.4 | 0.2 | 0.7 | 64.2 | 0.3 | 1.0 | 86.0 | 0.2 | 0.8 | 95.7 | 0.2 | 0.7 |
| BADGE-2-Cl | 122.9 | 0.06 | 0.2 | 73.5 | 0.1 | 0.3 | 81.8 | 0.1 | 0.3 | 24.6 | 0.3 | 1.0 |
| Butylparaben* | 105.3 | 0.1 | 0.3 | 95.1 | 0.1 | 0.3 | 107.4 | 0.1 | 0.3 | / | / | / |
| Chlorothymol | 84.5 | 0.2 | 0.7 | 88.4 | 0.2 | 0.7 | 96.1 | 0.2 | 0.7 | 101.4 | 0.2 | 0.6 |
| Dibutyl phthalate* | 71.2 | 1.0 | 3.4 | 93.6 | 0.8 | 2.6 | 95.1 | 0.8 | 2.5 | / | / | / |
| Ethylparaben | 87.9 | 0.2 | 0.8 | 108.4 | 0.2 | 0.6 | 107.1 | 0.2 | 0.6 | 112.1 | 0.2 | 0.6 |
| Galaxolide* | 50.7 | 0.7 | 2.2 | 100.8 | 0.3 | 1.1 | 102.1 | 0.3 | 1.1 | / | / | / |
| MEHP* | 110.5 | 0.2 | 0.6 | 82.4 | 0.2 | 0.8 | 95.6 | 0.2 | 0.7 | 61.6 | 0.3 | 1.1 |
| Methylparaben | 80.5 | 0.3 | 1.1 | 109.3 | 0.2 | 0.8 | 104.6 | 0.3 | 0.8 | 86.4 | 0.3 | 1.0 |
| Monobutyl phthalate | 84.2 | 0.1 | 0.5 | 84.9 | 0.1 | 0.5 | 87.1 | 0.1 | 0.5 | 26.3 | 0.5 | 1.5 |
| Musk ketone* | 73.9 | 0.5 | 1.8 | 72.1 | 0.6 | 1.8 | 81.7 | 0.5 | 1.6 | / | / | / |
| Padimate O* | 49.8 | 0.6 | 2.0 | 28.8 | 1.0 | 3.4 | 53.7 | 0.6 | 1.8 | / | / | / |
| Perfluorooctanesulfonic acid* | 89.6 | 0.7 | 2.4 | 84.7 | 0.9 | 2.8 | 69.1 | 1.0 | 3.5 | / | / | / |
| Perfluorooctanoic acid | 101.7 | 1.2 | 3.8 | 92.3 | 1.1 | 3.7 | 95.4 | 1.1 | 3.6 | 18.4 | 5.6 | 18.6 |
| PBSA | 138.5 | 0.1 | 0.3 | 73.5 | 0.2 | 0.5 | 71.4 | 0.1 | 0.4 | 20.1 | 0.6 | 2.0 |
| Prochloraz* | 95.7 | 0.2 | 0.8 | 83.8 | 0.3 | 1.0 | 107.0 | 0.2 | 0.7 | / | / | / |
| Propylparaben | 89.2 | 0.3 | 1.1 | 112.9 | 0.3 | 0.8 | 93.5 | 0.3 | 1.0 | 86.4 | 0.3 | 1.1 |
| Tetrabromobisphenol A | 88.3 | 0.1 | 0.4 | 71.0 | 0.2 | 0.5 | 83.8 | 0.1 | 0.4 | 11.3 | 1.0 | 3.2 |
| Triclocarban* | 70.7 | 0.1 | 0.4 | 61.9 | 0.1 | 0.4 | 73.4 | 0.1 | 0.4 | / | / | / |
| Triclosan* | 73.8 | 0.1 | 0.4 | 80.4 | 0.1 | 0.3 | 82.8 | 0.1 | 0.3 | / | / | / |
| Vinclozolin* | 33.0 | 2.5 | 8.3 | 5.0 | 16.5 | 55.0 | 4.99 | 16.5 | 55.1 | / | / | / |
Note: 1: based on triplicate extractions. 2: based on triplicate injections at three concentration levels (n = 9), for some analytes one injection had to be removed making n = 8 3: starred compounds showed poor or no recovery from solid samples