Journal of Chemistry / 2016 / Article / Tab 1

Research Article

Photodegradation of Sulfadiazine in Aqueous Solution and the Affecting Factors

Table 1

First-order kinetic constants of sulfadiazine photodegradation in ultrapure water irradiated by UV light of 365 nm and 300 W with air pumping in (except the condition of N2 instead) under various conditions.

Condition

Without addition (only sulfadiazine in H2O)0.0710.98
Plus 1% (V : V) ethanol0.0091.00
With nitrogen instead of air0.0451.00
Plus 43.8 mg⋅L−1 H2O20.131.00
Plus 0.05 mM 0.0340.84
Plus 0.5 mM 0.10.95
Plus 1 mM 0.0540.95
Plus 5 mM 0.0570.96
Plus 0.5 mM 0.0170.89
Plus 2.4 mM 0.0420.93
Plus 11.9 mM 0.0460.96
At pH 4.520.0460.91
At pH 6.980.0650.98
At pH 8.200.0570.94

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