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Figure 2. Comparative FTIR-ATR spectra of conventional plastic (A) and oxy-biodegradable plastic (B), at different stages of environmental exposure. Where T0 = initial time, T1 = 60 days of exposure, T2 = 120 days of exposure, and T3 = 180 days of exposure. FTIR: Fourier-transform infrared spectroscopy; ATR: attenuated total reflectance.
