Table 4 Analysis of variance results for the experimental design.
Source Prob | Sum of squares | Df1 | Mean Square | F-Value | P-Value |
|---|---|---|---|---|---|
Model | 1.222E + 011 | 14 | 8.731E + 009 | 4.30 | 0.00622 |
A: Concentration | 1.671E + 010 | 1 | 1.671E + 010 | 8.23 | 0.0132 |
B: Ratio | 1.598E + 008 | 1 | 1.598E + 008 | 0.079 | 0.7834 |
C: Addition rate | 1.455E + 009 | 1 | 1.455E + 009 | 0.72 | 0.4124 |
D: Temperature | 5.259E + 009 | 1 | 5.259E + 009 | 2.59 | 0.1315 |
AB | 3.534E + 007 | 1 | 3.534E + 007 | 0.017 | 0.8970 |
AC | 6.068E + 008 | 1 | 6.068E + 008 | 0.30 | 0.5938 |
AD | 3.354E + 010 | 1 | 3.354E + 010 | 16.52 | 0.0013 |
BC | 8.956E + 009 | 1 | 8.956E + 009 | 4.41 | 0.0557 |
BD | 4.818E + 009 | 1 | 4.818E + 009 | 2.37 | 0.1474 |
CD | 1.706E + 008 | 1 | 1.706E + 008 | 0.084 | 0.7765 |
A2 | 6.913E + 009 | 1 | 6.913E + 009 | 3.41 | 0.0878 |
B2 | 1.929E + 009 | 1 | 1.929E + 009 | 0.95 | 0.3474 |
C2 | 3.715E + 008 | 1 | 3.715E + 008 | 0.18 | 0.6758 |
D2 | 3.424E + 010 | 1 | 3.424E + 010 | 0.1687 | 0.0012 |
Lack of fit | 1.709E + 010 | 10 | 1.709E + 009 | 0.55 | 0.79173 |