Microplastics ·
Photo-oxidation
un
seel
.com · UV radical chain · Norrish scission · fragmentation
Backbone
C–C ≈ 348 kJ/mol
Marker
carbonyl C=O 1715 cm⁻¹
phase
—
Polyethylene chain (–CH₂–)
UV photons (hν)
Oxygen O₂ / radicals
Carbonyl C=O groups
Fragments drifting in water
▶ Play
←
→
🔇 Unmute
Reset
Un
seel
.com · The Chemistry of Microplastics