Table 4 Fitting results of the Freundlich and Langmuir model equations for the isothermal adsorption of propaquizafop in five different agricultural soils.
Soil | Freundlich model | Langmuir model | ||||
|---|---|---|---|---|---|---|
KF (mg1–n/L·mg) | 1/n | R2 | qm (mg/g) | KL (L/mg) | R2 | |
BS ginseng soil | 68.3757 | 0.8921 | 0.9862 | 18,776.3097 | 0.0030 | 0.9828 |
SX paddy soil | 52.3827 | 0.9706 | 0.9855 | 1.5324E6 | 3.2137E−5 | 0.9851 |
CC black soil | 46.8722 | 1.0221 | 0.9885 | 7.2854E6 | 6.7505E−6 | 0.9881 |
LF fluvo–aquic soil | 30.0191 | 1.1477 | 0.9748 | 8.4176E6 | 4.8129E−6 | 0.9659 |
CS red loam | 12.3440 | 1.5136 | 0.9796 | 1.8950E7 | 2.1650E−6 | 0.9389 |