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Absorbance (Abs) of photoproduct I3− at different temperatures and UV doses: 25.0°C (●), 50.0°C (■), 55.0°C (▲), and 60°C (X). Chemical quantification of the delivered UV intensity was performed with the iodide-iodate actinometer added to buffer of an absorption coefficient of 23.6 cm−1. Determination of photoproduct I3− was carried out spectrophotochemically using an extinction coefficient of ε352 = 27.60 M−1 cm−1.
