a positive trendp < 0.05
Overall, a positive trend between ATP and DOC was observed for all polymer types (Pearson correlation coefficient r = 0.51–0.69, p < 0.05).
Overall, a positive trend between ATP and DOC was observed for all polymer types (Pearson correlation coefficient r = 0.51–0.69, p < 0.05).
No apparent impact of weathering was observed when considering the bond indices of weathered PET, which generally showed a decreasing trend albeit with fluctuation.