Figure 7From: Ozone oxidation of antidepressants in wastewater –Treatment evaluation and characterization of new by-products by LC-QToFMS LC-QqToFMS mass spectra of N -oxide DVEN in disinfected effluent (O 3 concentration: 5 mg/L): product ions at 0 V collision energy (a) and 10 V collision energy (b). Back to article page