Fe₃O₄ Nanoparticles Embedded Sodium Alginate/PVP/Calcium Gel Composite for Removal of Cd²⁺

Table 2

Adsorption isotherm parameters of MSPC gel balls for Cd²⁺.

(K)	Langmuir			Freundlich			D-R isotherm
	(mg/g)	(L/mg)					(mg/g)	(kJ/mol)
293	97.8	0.28	0.984	20.13	1.25	0.702	98.7	14.35	0.960
303	94.3	0.19	0.953	19.36	1.11	0.404	92.8	13.22	0.809
313	84.4	0.12	0.964	13.41	1.02	0.882	86.2	9.98	0.989