Adsorption isotherm equation parameters of nitrapyrin on HA, FA and HA + FA.
| Treatment | Temperature (K) | Langmuir model | Freundlich model | ||||
|---|---|---|---|---|---|---|---|
| q m (mg kg−1) | k L (L mg−1) | R 2 | k F [mg kg−1 (L mg−1)−1/n] | n | R 2 | ||
| HA | 298 | 4152.17 | 2024.61 | 0.998 | 2249.09 | 1.14 | 0.995 |
| 308 | 4708.66 | 3300.47 | 0.982 | 3883.62 | 1.14 | 0.974 | |
| 318 | 4896.49 | 7718.63 | 0.991 | 5746.09 | 1.19 | 0.984 | |
| FA | 298 | 2665.34 | 3849.25 | 0.995 | 1150.78 | 1.25 | 0.988 |
| 308 | 3046.12 | 3923.39 | 0.995 | 1247.39 | 1.26 | 0.998 | |
| 318 | 3173.70 | 5140.42 | 0.997 | 1379.93 | 1.29 | 0.999 | |
| HA + FA | 298 | 4189.56 | 2058.96 | 0.993 | 2263.26 | 1.19 | 0.992 |
| 308 | 4793.65 | 3349.69 | 0.989 | 3895.69 | 1.18 | 0.980 | |
| 318 | 4925.56 | 7798.36 | 0.990 | 5798.62 | 1.21 | 0.979 | |