Table 5.

Analysis of variance (ANOVA) for the transformed responses for both adsorbents.

RPNS
Response	%R					qe
Source	DF *	Adj SS *	Adj MS *	F-Value	P-Value	DF *	Adj SS *	Adj MS *	F-Value	P-Value
Model	2	24.1383	12.0692	345.40	0.000	6	3.65834	0.60972	5342.19	0.000
Blocks						1	0.01266	0.01266	110.94	0.000
Linear	2	24.1383	12.0692	345.40	0.000	4	2.77354	0.69339	6075.22	0.000
pH	1	17.2545	17.2545	493.80	0.000	1	0.58908	0.58908	5161.32	0.000
AD	1	6.8838	6.8838	197.01	0.000	1	0.69691	0.69691	6106.10	0.000
[SARA]						1	1.95224	1.95224	17104.89	0.000
CT						1	0.18325	0.18325	1605.59	0.000
Error	17	0.0398	0.0398	1.15	0.300	13	0.04748	0.04748	416.02	0.000
Curvature	1	0.5940	0.0349			1	0.00148	0.00011
Lack-of-Fit	8	0.3342	0.0418	1.52	0.284	6	0.00037	0.00006	0.38	0.868
Pure Error	8	0.2200	0.0275			7	0.00112	0.00016
Total	19	24.7323				19	3.65982
MWCNTs
Response	%R					qe
Source	DF *	Adj SS *	Adj MS *	F-Value	P-Value	DF *	Adj SS *	Adj MS *	F-Value	P-Value
Model	5	968610	193722	347.94	0.000	5	11.9604	2.39209	7091.84	0.000
Linear	4	968590	242147	434.91	0.000	4	11.9160	2.97899	8831.84	0.000
pH	1	863285	863285	1550.52	0.000	1	1.7798	1.77984	5276.69	0.000
AD	1	3976	3976	7.14	0.018	1	5.7161	5.71612	16946.62	0.000
[SARA]	1	12530	12530	22.51	0.000	1	4.0004	4.00044	11860.15	0.000
CT	1	88799	88799	159.49	0.000	1	0.4196	0.41957	1243.89	0.000
Curvature	1	20	20	0.04	0.852	1	0.0445	0.04448	131.86	0.000
Error	14	7795	557			14	0.0047	0.00034
Lack-of-Fit	6	2173	362	0.52	0.783	6	0.0026	0.00043	1.60	0.262
Pure Error	8	5622	703			8	0.0021	0.00027
Total	19	976405				19	11.9652

*DF is degrees of freedom, SS is sum of squares, and MS is mean of squares.