Table 2 Estimated regression coefficients and associated probability values ( p -value) for fluorescence intensity
Equation (1) | Equation (2) | ||||
|---|---|---|---|---|---|
Term | Coefficients | p | Term | Coefficients | p |
Constant | 159.48 | 0.001 | Constant | 701.72 | 0.000 |
Volume of EAA | −75.37 | 0.023 | Temperature | 193.67 | 0.000 |
Volume of sulfuric acid | 145.62 | 0.001 | Heating time | 47.41 | 0.035 |
Volume of EAA * Volume of EAA | 42.99 | 0.299 | Temperature * Temperature | −203.80 | 0.000 |
Volume of sulfuric acid * Volume of sulfuric acid | 132.56 | 0.011 | Heating time * Heating time | −2.75 | 0.921 |
Volume of EAA* Volume of sulfuric acid | −88.28 | 0.028 | Temperature * Heating time | −34.58 | 0.165 |