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Variations in the number of organic species detected by UHPLC-QTOF.
| Negative | Positive | |||||
|---|---|---|---|---|---|---|
| Total | RT ≤ 2 min | RT > 2 min | Total | RT ≤ 2 min | RT > 2 min | |
| BDFW | 507 | 283 | 224 | 488 | 129 | 359 |
| RPA (%) | 41.08 | 58.92 | / | 14.55 | 85.45 | |
| Fenton | 471 | 269 | 202 | 473 | 127 | 346 |
| RPA (%) | 51.38 | 48.62 | / | 21.08 | 78.92 | |
Experimental conditions: H2O2 dosage = 128 mg·L−1, [H2O2]:[Fe2+] mole ratio = 1:2, reaction time = 24 s.
