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. 2014 Jun 10;11(6):6099–6118. doi: 10.3390/ijerph110606099

Table 2.

The equilibrium isotherm model parameters.

Model Time (h) Linear Isotherm Regression Nonlinear Isotherm Regression
Parameters r2 χ2 Parameters r2 χ2
qm KL qm KL
Langmuir 24 2.35627 0.06618 0.9531 0.8864 7.65490 0.01374 0.9262 0.1902
48 2.34082 0.04904 0.9966 0.0594 4.52553 0.01758 0.9780 0.0498
96 2.62950 0.02242 0.9998 0.0019 2.44126 0.02518 0.9985 0.0018
144 2.50188 0.02127 0.9868 0.0597 2.89086 0.01908 0.9668 0.0413
Freundlich n KF n KF
24 1.29702 0.43837 0.9311 7.6716 0.85574 0.04543 0.9548 0.4544
48 1.39179 0.41849 0.9924 6.8841 1.35220 0.12624 0.9885 0.0160
96 1.25565 0.31886 0.9922 9.4048 1.43487 0.09741 0.9910 0.0156
144 1.16918 0.29145 0.9748 10.8071 1.32003 0.07969 0.9581 0.0556
Koble-Corrigan A B n
24 0.03265 −0.89004 0.02991 0.9721 0.0744
48 0.16437 −0.10717 0.45695 0.9928 0.0171
96 0.05230 0.02496 1.08766 0.9988 0.0015
144 0.02130 0.01346 1.47458 0.9719 0.0568