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Table 4 Analysis of variance table for the model predicting zeta-potential of the chemically modified fibers

From: Conversion of lignocellulosic waste into effective flocculants: synthesis, characterization, and performance

Source Sum of squares df Mean square F value p-value Prob > F
Model 934.08 7 133.44 4.51 0.0326
A-Epichlorohydrin 3.94 1 3.94 0.1332 0.7259
B-Triethylamine 240.24 1 240.24 8.11 0.0248
C-Cellulose suspension 5.02 1 5.02 0.1695 0.6929
BC 176.62 1 176.62 5.96 0.0446
A2 184.93 1 184.93 6.24 0.0411
B2 86.63 1 86.63 2.93 0.131
C2 204.27 1 204.27 6.9 0.0341
Residual 207.31 7 29.62   
 Lack of fit 190.55 5 38.11 4.55 0.19
 Pure error 16.75 2 8.38   
Cor total 1141.39 14