Kinetics Study of Photocatalytic Activity of Flame-Made Unloaded and Fe-Loaded CeO₂ Nanoparticles

Table 3

Apparent rate constants and surface-area-normalized rate constants.

Samples	Rate constant (𝑘, min^−1)		Surface-area-normalized rate constants (min^−1 m^−2 g)
	Formic acid	Oxalic acid	Formic acid	Oxalic acid
5.00 mol% Fe-loaded CeO2	0.0014	0.0014	0.0009	0.0010
10.00 mol% Fe-loaded CeO2	0.0017	0.0020	0.0013	0.0014
Unloaded CeO2	0.0021	0.0022	0.0019	0.0021
0.50 mol% Fe-loaded CeO2	0.0040	0.0034	0.0024	0.0022
1.00 mol% Fe-loaded CeO2	0.0054	0.0039	0.0024	0.0023
1.50 mol% Fe-loaded CeO2	0.0060	0.0052	0.0033	0.0030
2.00 mol% Fe-loaded CeO2	0.0096	0.0072	0.0045	0.0037