Analysis of variance of the initial model tested with all factors.
| Factor | Sum of squares | df | Mean square | F-Value | p-Value |
|---|---|---|---|---|---|
| Mass (L) | 2445.86 | 1 | 2445.86 | 224.49 | 0.0044 |
| Mass (Q) | 443.48 | 1 | 443.48 | 40.70 | 0.0237 |
| Time (L) | 3.809 | 1 | 3.809 | 0.3496 | 0.6142 |
| Time (Q) | 8.237 | 1 | 8.237 | 0.7560 | 0.4762 |
| pH (L) | 5039.96 | 1 | 5039.96 | 462.60 | 0.0022 |
| pH (Q) | 559.61 | 1 | 559.61 | 51.364 | 0.0189 |
| Mass × time | 9.440 | 1 | 9.440 | 0.8664 | 0.4502 |
| Mass × pH | 291.97 | 1 | 291.97 | 26.799 | 0.0353 |
| Time × pH | 33.579 | 1 | 33.579 | 3.082 | 0.2212 |
| Lack-of-fit | 613.09 | 5 | 122.62 | 11.255 | 0.0836 |
| Pure error | 21.790 | 2 | 10.895 |