Table 2.
Comparison of the different absorption models tested
| Step | Model tested | Objective function | Residual variability Proportional (%) | Additive (ug l−1) |
|---|---|---|---|---|
| 1 | First order absorption | 4943 | 10 | 46 |
| First order absorbtion with lag time | 4826 | 9 | 65 | |
| 2 | Zero order absorption | 5135 | 23 | 17 |
| Zero order absorption with lag time | 5114 | 23 | 22 | |
| 3 | Weibull distribution | 4985 | 21 | 12 |
| 4 | Erlang distribution (with two sequential compartments) | 4874 | 5 | 97 |
| Erlang distribution (with three sequential compartments) | 4999 | 4 | 123 | |
| Erlang distribution (with four sequerntial compartments) | 5089 | 3 | 144 | |
| Erlang distribution (with five sequential compartments) | 5114 | 20 | 58 | |
| Erlang distribution (with six sequential compartments) | 5124 | 2 | 113 |