Figure 2 (IMAGE)

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Figure 2

Caption

(a) EPR analysis of UV/PS/FA, UV/PS, and UV/FA systems. (b) Free radical quenching experiments. Reaction conditions: PFOA = 20 µM, initial pH of 2.5, anaerobic environment. (a) PS = 2 mM, FA = 15 mM, DMPO = 100 mM, reaction time = 5 min, anaerobic environment. (b) PS = 4 mM, FA = 2 mM, MV2+ = 10 mg/L, CCl4 = 10 µM, Cr(VI) = 1 mM.

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