Research Article
The Use of Response Surface Methodology in Ammonia Oxidation Reaction Study
Table 5
Analysis of variance (ANOVA) for N2O concentration (R2).
| | Source | Sum of squares | df | Mean square | value | value |
| | Model | 5.869E + 05 | 5 | 1.174E + 05 | 73.40 | 0.0001 | | X1 | 1.902E + 05 | 1 | 1.902E + 05 | 118.95 | 0.0001 | | X2 | 3.932E + 05 | 1 | 3.932E + 05 | 245.89 | <0.0001 | | X1X2 | 1133.44 | 1 | 1133.44 | 0.7088 | 0.4383 | | 836.07 | 1 | 836.07 | 0.5228 | 0.5020 | | 882.73 | 1 | 882.73 | 0.5520 | 0.4909 | | Residual | 7995.81 | 5 | 1599.16 | | | | Lack of fit | 6674.41 | 3 | 2224.80 | 3.37 | 0.2374 | | Pure error | 1321.41 | 2 | 660.70 | | | | Cor. total | 5.949E + 05 | 10 | | | |
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