Evaluation of a pseudo-first-order kinetic model for the adsorption of boron by NMDG@GO at different initial concentrations of solute.

Parameter	Initial concentration of boron (mg L−1)
	5	25	50
r 2	0.9413	0.9813	0.9982
k	−0.05	−0.12	−0.18
q e predicted	11.2	35.0	55.7
q e observed	17.4	45.9	71.0
Difference (%)	36	24	22