Factor DF SS MS F -Ratio Pure sum S’’ P%
A. Time(min) 3 3.07 1.02 ---- 3.70 1.84
B. Temperature(°C) 3 31.79 10.60 ---- 31.79 19.10
C. Agitation speed (rpm) 3 9.83 3.28 ---- 9.83 5.91
D. Coagulant concentration (%wt) 3 27.16 9.05 ---- 27.16 16.32
E. Latex to coagulant volume ratio 3 94.55 31.52 ---- 94.55 56.82
Total 15 166.40   100%
Table 4: ANOVA res ults for S/N ratio of the PSD.