The pseudo-first-order kinetics parameters for the adsorption of RB19 on the DEChNs-Gels.

C o (mg L−1)	q e exp (mg g−1)	q e cal (mg g−1)	Pseudo-first-order
			k 1 (min−1)	R 2
500	973	302	0.0958	0.996
700	1094	475	0.0974	0.986
1000	1179	333	0.1016	0.883