Table 2. Photodegradation kinetic constants for ARS in acidic condition on [PP@TiO₂]_A and [PP@TiO₂]_P25 respectively.

[ARS] (mol L−1)	k′A (min−1)	[ARS] (mol L−1)	k′P25(min−1)
4.38 × 10−5	(2.11 ± 0.03) × 10−2	2.92 × 10−5	(1.55 ± 0.03) × 10−2
5.84 × 10−5	(1.23 ± 0.02) × 10−2	5.84 × 10−5	(0.67 ± 0.02) × 10−2
7.30 × 10−5	(0.65 ± 0.02) × 10−2	7.30 × 10−5	(0.33 ± 0.02) × 10−2