| Sample | model | equation | R2 |
|
| Zero-level | Q = 0.0087t + 9.2124 | 0.83618 |
|
| Higuchi | Q = 0.09953t1/2 + 9.0162 | 0.93846 |
| pH4 | Logistic | Q = 10.2831.2765/(1 + )0.8855 | 0.98928 |
|
| SWeibull | Q = 10.5191 − 10.5191exp (−0.01579t0.3911) | 0.94121 |
|
| Zero-level | Q = 0.1507t + 44.4426 | 0.9073 |
|
| Higuchi | Q = 1.68901t1/2 + 41.19153 | 0.97934 |
| pH8 | Logistic | Q = 0.38439 − 0.31355/(1 + )0.30118 | 0.9897 |
|
| SWeibull | Q = 57.9239 − 57.9239 exp (0.02408t1.18857) | 0.99312 |