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Table 8 Pearson’s correlation matrix for trace elements measured in groundwater samples from Monte Bisenzio area

From: Geochemical modeling and multivariate statistical evaluation of trace elements in arsenic contaminated groundwater systems of Viterbo Area, (Central Italy)

	Li	Be	B	Al	V	Cr	Mn	Fe	Co	Ni	Cu	Zn	As	Se	Rb	Sr	Mo	Sb	U
Li	1	0.877	0.967	0.423	−0.672	−0.695	0.662	−0.327	0.990	0.504	0.507	−0.356	0.026	0.191	0.961	0.980	−0.194	−0.674	0.934
Be		1	0.932	0.428	−0.593	−0.617	0.604	−0.268	0.850	0.185	0.475	−0.316	0.213	0.043	0.799	0.862	−0.135	−0.553	0.843
B			1	0.393	−0.754	−0.605	0.559	−0.430	0.961	0.382	0.522	−0.463	0.032	0.142	0.924	0.963	−0.291	−0.719	0.936
Al				1	−0.063	−0.394	0.513	0.097	0.379	0.056	0.513	0.077	0.240	−0.374	0.359	0.423	0.192	−0.164	0.424
V					1	0.051	0.041	0.877	−0.706	−0.291	−0.319	0.878	0.343	−0.323	−0.701	−0.690	0.813	0.939	−0.684
Cr						1	−0.745	−0.267	−0.692	−0.279	−0.331	−0.284	−0.117	0.215	−0.703	−0.699	−0.367	0.146	−0.689
Mn							1	0.442	0.582	0.360	0.404	0.380	0.536	−0.056	0.501	0.569	0.578	0.043	0.483
Fe								1	−0.390	−0.137	−0.168	0.921	0.566	−0.365	−0.418	−0.392	0.947	0.815	−0.428
Co									1	0.509	0.472	−0.414	−0.068	0.197	0.985	0.990	−0.270	−0.724	0.956
Ni										1	0.075	−0.137	−0.157	0.354	0.499	0.470	−0.110	−0.263	0.407
Cu											1	−0.203	−0.118	−0.082	0.451	0.559	−0.034	−0.293	0.598
Zn												1	0.448	−0.365	−0.432	−0.417	0.946	0.850	−0.449
As													1	−0.050	−0.170	−0.105	0.585	0.422	−0.194
Se														1	0.199	0.157	−0.346	−0.276	0.103
Rb															1	0.981	−0.321	−0.759	0.965
Sr																1	−0.264	−0.714	0.985
Mo																	1	0.801	−0.307
Sb																		1	−0.722
U																			1

Values in bold are different from 0 with a significance level alpha = 0.05.

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