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. 2017 Dec 20;12(12):e0189276. doi: 10.1371/journal.pone.0189276

Fig 5. Reduction in the concentrations of (a) benzene, (b) toluene, (c) ethylbenzene and (d) xylene.

Fig 5

Reduction in the concentration of (a) benzene, (b) toluene, (c) ethylbenzene and (d) xylene under simulated solar light irradiation (incident power: 1 kW/m2) in the presence and absence of ZnO nanorods. The starting concentration of all the monoaromatic hydrocarbons was 25 ppm.