Research Article
Mathematical Modeling of Moisture Sorption Isotherms and Determination of Isosteric Heats of Sorption of Ziziphus Leaves
Table 4
Results of fitting of the adsorption isotherms of Ziziphus spina-christi leaves.
| Models names | (°C) | Parameters | | | (%) | | | | |
| GAB | 30 | 1.084 | 0.318 | 0.633 | — | 0.98 | 0.026 | 16.59 | 40 | 0.091 | 0.323 | 8.037 | — | 0.97 | 0.025 | 18.20 | 50 | 0.047 | 1.061 | 3.329 | — | 0.99 | 0.006 | 9.51 |
| BET | 30 | 0.03 | 7.88 | — | — | 0.98 | 0.023 | 15.47 | 40 | 0.007 | 31.976 | — | — | 0.97 | 0.025 | 18.41 | 50 | 0.1143 | 1.3399 | — | — | 0.99 | 0.009 | 13.32 |
| Henderson | 30 | 11.129 | 1.517 | −29.24 | — | 0.99 | 0.019 | 12.15 | 40 | 17.986 | 1.989 | −39.59 | — | 0.99 | 0.011 | 7.82 | 50 | 10.988 | 1.086 | −48.90 | — | 0.99 | 0.014 | 16.17 |
| Chung and pfost | 30 | 7.529 | −29.00 | 15.97 | — | 0.96 | 0.035 | 20.63 | 40 | 8.487 | −39.11 | 20.47 | — | 0.98 | 0.015 | 8.98 | 50 | 8.081 | −48.66 | 19.019 | — | 0.92 | 0.041 | 36.65 |
| Halsey | 30 | −6.44 | 0.065 | 1.928 | — | 0.98 | 0.027 | 10.74 | 40 | −6.91 | 0.049 | 2.259 | — | 0.98 | 0.017 | 6.90 | 50 | −6.23 | 0.072 | 1.46 | — | 0.99 | 0.009 | 10.07 |
| Oswin | 30 | 0.127 | 0.395 | — | — | 0.99 | 0.017 | 7.86 | 40 | 0.1178 | 0.317 | — | — | 0.99 | 0.006 | 3.32 | 50 | 0.084 | 0.542 | — | — | 0.99 | 0.005 | 4.23 |
| Peleg | 30 | 0.143 | 0.420 | 24.601 | 4.147 | 0.99 | 0.014 | 7.02 | 40 | 0.157 | 0.446 | 0.157 | 5.892 | 0.99 | 0.007 | 4.25 | 50 | 0.155 | 0.832 | 0.374 | 9.498 | 0.99 | 0.006 | 8.32 |
| Adam and Shove | 30 | 0.018 | 0.142 | −1.111 | 1.278 | 0.98 | 0.021 | 8.74 | 40 | 0.017 | 0.205 | −1.184 | 1.205 | 0.98 | 0.020 | 7.40 | 50 | 0.011 | 0.026 | −1.069 | 1.3203 | 0.98 | 0.013 | 10.59 |
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