Mespilus germanica (MG) and Tribulus terrestris (TT) Used as Biosorbents for Lead Removal from Aqueous Solutions: Adsorption Kinetics and Mechanisms

Table 3

Statistical results of the selected models using RSM for adsorbents.

Model		value	Std. dev	% CV	R^2	Adj. R^2
% Removal quadratic model	MG powder	<0.0001	6.40	8.11	0.945	0.922
	TT powder	<0.0001	4.93	7.66	0.961	0.935