Table 2.

Y (III) adsorption parameters for Pectin-Chitosan composites.

Langmuir model best-fit parameters
	KL	Qm	Adj. R-Square
PC 15 S	0.0063 ± 0.0029	20 ± 6.3	0.94
PC 11 S	0.013 ± 0.0022	19 ± 1.4	0.99
PC 51 S	0.033 ± 0.0060	23 ± 1.3	0.98
Freundlich model best-fit parameters
	KF	n	Adj. R-Square
PC 15 S	0.35 ± 0.16	1.4 ± 0.21	0.93
PC 11 S	0.83 ± 0.21	1.8 ± 0.19	0.96
PC 51 S	3.1 ± 0.59	2.6 ± 0.30	0.97