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

Fig 7. Evolution of carbon dioxide over time during BTEX photocatalytic degradation.

Fig 7

Evolution of carbon dioxide over time degradation of 25 ppm BTEX mixture in DI water in the presence of ZnO nanorods under the simulated solar light irradiation as determined by using GC fitted with thermal conductivity detector (TCD). Inset shows the CO2 chromatogram detected at retention time 3.34 minutes.