Table 2

Elements/Factors			Cd²⁺			Pb²⁺
X	pH	BD
-1	-1	-1	75.6	71.24	73.42	85.7	90.8	88.25
-1	-1	1	88.42	87.99	88.2	86.09	88.69	87.39
-1	1	-1	84.65	86.01	85.33	76.7	78	77.35
-1	1	1	87.96	89.23	88.59	82.66	81.57	82.12
1	-1	-1	15.82	14.14	14.98	55.64	59.11	57.38
1	-1	1	77.9	74.27	76.08	92.8	94.34	93.57
1	1	-1	61.16	64.04	62.6	82	80.9	81.45
1	1	1	79.67	79.84	79.75	83.4	83.5	83.45

Table 2: Experimental factorial design results for Cd²⁺ and Pb²⁺ biosorption.