Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic Acid

Table 6

ANOVA of SN ratio for the removal rate of photocatalysts.

Source	Degree of freedom	Sum of squares	Variance	𝐹-ratio	Pure sum of squares	Contribution (%)
A	2	151.61	75.81	6.57	128.54	23.98
B	2	87.75	43.87	3.80	64.67	12.06
C	2	273.67	136.83	11.86	250.59	46.74
Error	2	23.07	11.54		46.15	17.22
Total	8	536.10				100