Table 4 Fitting results of the Freundlich and Langmuir model equations for the isothermal adsorption of propaquizafop in five different agricultural soils.

From: Adsorption, mobility, and degradation of the pesticide propaquizafop in five agricultural soils in China

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