Kinetic parameters for N-acyl homoserine lactones (HSLs) adsorption on oxisol and alfisol.

Treatment	Measured AHLs	Pseudo-first-order model			Pseudo-second-order model			Elovich model
	q e,exp (mg kg−1)	q fe,cal (mg kg−1)	k F (h−1)	R 2	q se,cal (mg kg−1)	k s × 10−3 (kg mg−1 h−1) × 10−3	R 2	a (mg kg−1)	b	R 2
Oxisol
C6-HSL	50.06 ± 1.10	47.67 ± 1.10	0.33 ± 0.02	0.993	56.87 ± 3.23	2.69 ± 1.02	0.977	9.65 ± 0.50	10.32 ± 0.54	0.978
C8-HSL	75.13 ± 1.94	72.75 ± 1.94	0.27 ± 0.02	0.992	88.29 ± 5.43	1.35 ± 1.32	0.977	14.01 ± 0.87	14.61 ± 0.95	0.967
C10-HSL	100.69 ± 5.56	97.72 ± 5.56	0.33 ± 0.05	0.952	112.87 ± 6.80	1.53 ± 1.00	0.968	23.51 ± 0.72	19.82 ± 0.79	0.987
C12-HSL	163.96 ± 0.68	162.77 ± 0.68	12.00 ± 0.78	0.999	164.11 ± 0.67	140.79 ± 0.07	0.998	155.72 ± 0.97	4.19 ± 0.51	0.904
Alfisol
C6-HSL	102.17 ± 1.89	97.83 ± 1.89	4.01 ± 0.45	0.977	102.90 ± 0.80	28.51 ± 0.02	0.998	74.36 ± 2.85	9.46 ± 1.03	0.867
C8-HSL	112.35 ± 1.77	108.66 ± 1.77	5.27 ± 0.57	0.982	112.88 ± 1.64	39.11 ± 0.03	0.991	88.60 ± 2.39	8.38 ± 1.09	0.880
C10-HSL	139.44 ± 1.23	137.12 ± 1.23	8.82 ± 0.79	0.994	139.70 ± 1.17	81.53 ± 0.01	0.997	125.70 ± 1.62	4.98 ± 0.74	0.849
C12-HSL	179.81 ± 0.69	178.51 ± 0.69	13.14 ± 0.91	0.999	179.94 ± 0.59	169.43 ± 0.05	1.000	172.64 ± 0.83	2.63 ± 0.38	0.855