Kinetic parameters for photocatalysis (SF/TiO₂ and TiO₂) of pesticides in water under natural sunlight.

Pesticide	SF/TiO2			TiO2
	R 2	k × 102 (min−1)	t ½ a (min)	R 2	k × 102 (min−1)	t ½ a (min)
Boscalid	0.859	0.867	79.7	0.908	1.904	36.5
Pyraclostrobin	0.897	1.836	36.7	0.827	3.217	21.5
Hexythiazox	0.731	2.506	27.6	0.759	5.287	13.1
Trifloxystrobin	0.841	2.398	28.9	0.782	4.615	15.0

^aReferred to t_{30 W} (calculated according eqn (1)).