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Table 6 ANOVA for the selected factorial model

From: Removal and tracing of cephalosporins in industrial wastewater by SPE-HPLC: optimization of adsorption kinetics on mesoporous silica nanoparticles

Source Cefadroxil Cefprozil Cefradine
Sum of squares Degree of freedom Mean squares F value p value Sum of squares Degree of freedom Mean squares F value p value Sum of squares Degree of freedom Mean squares F value p value
Model 615.37 4 153.84 273.09 0.0037 994.45 4 994.45 261.47 0.0038 683.26 4 683.26 315.49 0.0032
A 49.84 1 49.84 88.48 0.0111 115.67 1 115.67 121.65 0.0081 51.12 1 51.12 94.42 .0104
B 1.30 1 1.30 2.31 0.2681 7.32 1 7.32 7.70 0.1091 0.56 1 0.56 1.04 0.4153
C 18.84 1 18.84 33.44 0.0286 37.15 1 37.15 39.07 0.0247 22.56 1 22.56 41.67 0.0232
ABC 545.39 1 545.39 968.16 0.0010 834.31 1 834.31 877.45 0.0011 609.02 1 609.02 1124.8 0.0009
Pure error 1.13 2 0.56    1.90 2 0.95    1.08 2 0.54   
Cor total 616.50 6     996.35 6     684.35 6