Table 5 Van't Hoff parameters for the adsorption of imidacloprid (■); and carbofuran (); on Silica anchored GO composite.

From: Synthesis of monolith silica anchored graphene oxide composite with enhanced adsorption capacities for carbofuran and imidacloprid

T (k)

1/T(k)

Imidacloprid

Carbofuran

KD

lnKD

 − ∆G KJ/mol

KD

lnKD

 − ∆G KJ/mol

293

0.00341

2.42

0.685

1670.61

8.29

2.115

5154.03

303

0.00330

2.13

0.757

1906.99

15.54

2.743

6912.27

313

0.00319

2.32

0.815

2121.90

27.62

3.318

8635.93

323

0.00309

2.15

0.789

2119.28

7.060

1.954

5248.38

333

0.00300

2.36

0.858

2377.08

12.73

2.544

7043.22

  1. The values of ∆H (kj mol−1) and ∆S (JK−1 mol−1) for imidacloprid are − 3400.42 and 4.323 and for carbofuran are 27,381.66 and 112.687 respectively.