Application of a magnetically separable Zr-MOF for fast extraction of palladium before its spectrophotometric detection

Table 1 Designing media in the RSM model for optimization of Pd²⁺ extraction

Run order	Actual Value	Predicted Value	Residual	Leverage	Internally Studentized Residuals	Externally Studentized Residuals	Cook’s Distance	Influence on Fitted Value DFFITS	Standard Order
1	0.5330	0.5121	0.0209	0.750	2.262	4.040	1.535⁽¹⁾	6.997⁽¹⁾	9
2	0.4470	0.4368	0.0102	0.200	0.618	0.588	0.010	0.294	13
3	0.9820	0.9934	-0.0114	0.750	-1.234	-1.292	0.457	-2.237	6
4	0.3960	0.3899	0.0061	0.750	0.665	0.636	0.133	1.102	8
5	0.4330	0.4368	-0.0038	0.200	-0.230	-0.214	0.001	-0.107	16
6	0.1940	0.2087	-0.0147	0.750	-1.597	-1.855	0.765	-3.213⁽¹⁾	1
7	0.2060	0.1946	0.0114	0.750	1.234	1.292	0.457	2.237	7
8	0.3140	0.3349	-0.0209	0.750	-2.262	-4.040	1.535⁽¹⁾	-6.997⁽¹⁾	12
9	0.4190	0.4368	-0.0178	0.200	-1.078	-1.093	0.029	-0.547	17
10	0.7661	0.7756	-0.0095	0.750	-1.028	-1.033	0.317	-1.789	2
11	0.5570	0.5475	0.0095	0.750	1.028	1.033	0.317	1.789	3
12	0.9110	0.9144	-0.0034	0.750	-0.363	-0.339	0.040	-0.588	10
13	0.4380	0.4368	0.0012	0.200	0.073	0.067	0.000	0.034	14
14	0.4470	0.4368	0.0102	0.200	0.618	0.588	0.010	0.294	15
15	0.3470	0.3436	0.0034	0.750	0.363	0.339	0.040	0.588	11
16	0.8450	0.8303	0.0147	0.750	1.597	1.855	0.765	3.213⁽¹⁾	4
17	0.3329	0.3390	-0.0061	0.750	-0.665	-0.636	0.133	-1.102	5

ISSN: 2661-801X