Table 7

ANOVA for quartic model for degradation extent (response Z)

SourceSum of squaresdfMean squareF-valuep-valueComment
Model 6,947.24 11 631.57 14.31 <0.0001 Significant 
Photocatalyst dose (A) 17.88 1 17.88 0.41 0.5307  
Concentration of H2O2 (B) 701.20 1 701.20 15.89 0.0006  
AB 41.78 1 41.78 0.95 0.3707  
A2 391.16 1 391.16 8.86 0.0067  
B2 131.23 1 131.23 2.97 0.0981  
AB2 63.29 1 63.29 1.43 0.2433  
A3 23.80 1 23.00 0.54 0.4701  
B3 1,263.46 1 1,263.46 28.63 <0.0001  
AB3 107.11 1 107.11 2.43 0.1329  
A4 266.11 1 266.11 6.03 0.0220  
B4 570.74 1 570.74 12.93 0.0012  
Residual 1,015.11 23 44.14    
Corr Total 7,962.35 34     
SourceSum of squaresdfMean squareF-valuep-valueComment
Model 6,947.24 11 631.57 14.31 <0.0001 Significant 
Photocatalyst dose (A) 17.88 1 17.88 0.41 0.5307  
Concentration of H2O2 (B) 701.20 1 701.20 15.89 0.0006  
AB 41.78 1 41.78 0.95 0.3707  
A2 391.16 1 391.16 8.86 0.0067  
B2 131.23 1 131.23 2.97 0.0981  
AB2 63.29 1 63.29 1.43 0.2433  
A3 23.80 1 23.00 0.54 0.4701  
B3 1,263.46 1 1,263.46 28.63 <0.0001  
AB3 107.11 1 107.11 2.43 0.1329  
A4 266.11 1 266.11 6.03 0.0220  
B4 570.74 1 570.74 12.93 0.0012  
Residual 1,015.11 23 44.14    
Corr Total 7,962.35 34     
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