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Particle size distribution of PE (left) and PET (right) microplastics degraded at 0, 400, and 2000 hours (solid and blue, dashed and red, and dotted line and green, respectively); the left y-axis corresponds to PE 2000 h and the right y-axis corresponds to all other treatments.

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Ryan Bartnick (18991556), Shahin Shahriari (22662204), Günter K. Auernhammer (22662207), Ulrich Mansfeld (1779193), Werner Reichstein (22662210), Lisa Hülsmann (3295776), Eva Lehndorff (451272)

Summary

Researchers measured particle size distributions of polyethylene and PET microplastics after 0, 400, and 2000 hours of degradation, documenting how particle size shifts over time as plastic polymers fragment under sustained degradation conditions.

Polymers

Particle size distribution of PE (left) and PET (right) microplastics degraded at 0, 400, and 2000 hours (solid and blue, dashed and red, and dotted line and green, respectively); the left y-axis corresponds to PE 2000 h and the right y-axis corresponds to all other treatments.

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