Biogenic Synthesis of Magnetite Nanoparticles Using Leaf Extract of Thymus schimperi and Their Application for Monocomponent Removal of Chromium and Mercury Ions from Aqueous Solution

Table 2

The adsorption kinetic model rate constants for adsorption of chromium and mercury.

Metal ions	Pseudo 1^storder kinetic model			Pseudo 2^ndorder kinetic model
	Cr(VI)	2.11	-7.00E^-4	0.2391	1.36	0.057	0.9750
Hg(II)	1.95	-5.33E-4	0.32	1.33	0.142	0.9944