| Langmuir equation | Langmuir-Freundlich equation | D-R equation | Semi-pore equation | Toth equation | |||||
Sample | Ads | Des | Ads | Des | Ads | Des | Ads | Des | Ads | Des |
JING-1 | 6.25 | 6.32 | 6.48 | 6.81 | 4.62 | 4.75 | 7.33 | 7.38 | 7.04 | 7.56 |
JING-2 | 1.28 | 1.28 | 1.33 | 1.40 | 1.17 | 1.18 | 1.22 | 1.23 | 1.36 | 1.38 |
JING-3 | 0.72 | 0.78 | 0.80 | 0.84 | 0.73 | 0.80 | 0.70 | 0.79 | 0.80 | 0.81 |
YS106 | 0.32 | 0.42 | 0.31 | 0.43 | 0.30 | 0.43 | 0.27 | 0.42 | 0.31 | 0.43 |
YS109 | 2.39 | 2.46 | 2.58 | 2.63 | 2.29 | 2.44 | 2.39 | 2.46 | 2.58 | 2.63 |
YANG102 | 3.46 | 3.68 | 3.61 | 3.99 | 3.47 | 3.60 | 3.46 | 3.68 | 3.61 | 3.99 |