Models 0% salt 2% salt 3% salt 3.5% salt 4% salt MGAB A 4.966 8.825 9.322 10.881 11.150 B 0.807 0.723 0.817 0.744 0.812 C 688.789 204.869 225.580 370.829 351.994 Reduced -χ2 0.975 0.769 0.734 0.374 0.319 R2 0.988 0.991 0.991 0.995 0.996 RMSE 0.987 0.877 0.857 0.612 0.565 MCPE A 495.111 434.463 377.374 76.310 410.615 B 72.002 83.955 86.273 -13.109 67.366 C 0.228 0.154 0.110 0.120 0.104 Reduced -χ2 0.076 0.401 1.169 0.465 0.847 R2 0.999 0.995 0.986 0.994 0.990 RMSE 0.275 0.633 1.081 0.682 0.921 MOSE A -10.107 10.470 11.532 12.972 12.828 B 0.630 0.009 0.051 0.066 0.128 C 3.770 2.870 2.092 2.548 2.245 Reduced -χ2 1.530 1.971 0.818 0.581 0.342 R2 0.981 0.977 0.990 0.993 0.996 RMSE 1.237 1.404 0.904 0.762 0.585 MHEE A(×10-5) 8.955 7.544 8.033 3.996 4.527 B 187.440 156.616 170.688 89.839 98.821 C 1.675 1.620 1.437 1.806 1.675 Reduced -χ2 0.307 0.472 1.095 0.556 0.560 R2 0.996 0.994 0.987 0.993 0.993 RMSE 0.554 0.687 1.046 0.746 0.749 MHAE A 8.427 7.462 6.470 6.930 6.560 B -0.050 -0.074 -0.098 -0.082 -0.091 C 3.372 2.387 1.550 1.826 1.518 Reduced -χ2 3.609 4.629 1.944 2.327 1.864 R2 0.955 0.945 0.976 0.971 0.978 RMSE 1.900 2.152 1.394 1.526 1.365 GAB mo 0.049 0.087 0.093 0.109 0.111 c 6.742 7.219 7.519 11.733 12.361 k 0.810 0.727 0.817 0.744 0.812 Reduced -χ2(×10-5) 30.358 7.728 7.344 3.974 3.376 R2 0.962 0.991 0.991 0.995 0.996 RMSE 0.017 0.009 0.009 0.006 0.006

Table 5: Fitted parameters of net isosteric heat of sorption versus equilibrium moisture content for different models.