Research Article
Occurrence, Distribution, and Ecological Risk Assessment of Antibiotics in Selected Urban Lakes of Hanoi, Vietnam
Table 1
Optimized UPLC-ESI-MS/MS parameters for selected antibiotics.
| | Antibiotics | ESI mode | Retention time (min) | Precursor ion (m/z) | Product ions (m/z) | Quantitive ion (m/z) | Q1 prebias (V) | Ce | Q3 prebias (V) |
| | SMX | Positive | 10.21 | 253.95 | 92.15/156.05 | 92.15 | 10 | 29 | 10 | | OFL | Positive | 8.59 | 361.95 | 318.10/261.05 | 318.1 | 14 | 20 | 21 | | CIP | Positive | 8.88 | 332 | 314.1/230.8 | 314.1 | 24 | 22 | 23 | | MXF | Positive | 12.1 | 402 | 384.05/358.2 | 384.05 | 30 | 22 | 27 | | NOR | Positive | 8.65 | 320.05 | 302.2/276.1 | 302.2 | 16 | 21 | 30 | | CLR | Positive | 19.49 | 748.25 | 158/590.2 | 158 | 28 | 32 | 20 | | AZM | Positive | 13.98 | 752.4 | 594.3 | 594.3 | 28 | 32 | 28 | | CFM | Positive | 7.88 | 454.7 | 285.3/126.2 | 126.2 | 14 | 30 | 22 | | CTX | Positive | 8.17 | 455.9 | 396.05/124.95 | 396.05 | 17 | 11 | 20 | | CEC | Positive | 7.06 | 367.95 | 106.1/173.95 | 106.1 | 18 | 25 | 21 | | CFX | Positive | 7.9 | 347.95 | 158/173.95 | 158 | 13 | 10 | 18 | | CDX | Positive | 5.13 | 364 | 114/208.05 | 114 | 14 | 11 | 22 | | AMX | Positive | 3.91 | 366.05 | 349.05/114 | 349.05 | 19 | 10 | 25 | | AMP | Positive | 7.89 | 350.15 | 106.05/159.95 | 106.05 | 18 | 13 | 17 | | TMP | Positive | 8.15 | 291.05 | 230.1/261.05 | 230.1 | 22 | 26 | 28 |
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