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Table 6 Pearson’s correlation matrix for trace elements measured in groundwater samples from Monte Jugo 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	−0.206	0.827	−0.203	0.390	−0.323	−0.085	−0.437	0.955	−0.359	−0.403	−0.410	0.843	0.335	0.461	0.909	0.743	−0.415	0.452
Be		1	−0.343	0.550	0.300	0.627	0.573	0.785	−0.037	0.718	0.758	0.702	−0.609	−0.906	0.637	−0.416	−0.330	0.675	−0.758
B			1	−0.381	−0.078	−0.745	−0.238	−0.740	0.694	−0.595	−0.717	−0.750	0.891	0.508	0.018	0.879	0.585	−0.680	0.716
Al				1	0.667	0.528	0.961	0.685	0.013	0.750	0.685	0.542	−0.429	−0.803	0.468	−0.569	−0.658	0.214	−0.844
V					1	0.575	0.634	0.501	0.595	0.487	0.498	0.457	0.082	−0.483	0.773	0.035	0.080	0.180	−0.522
Cr						1	0.444	0.940	−0.108	0.830	0.936	0.974	−0.655	−0.749	0.608	−0.552	−0.209	0.827	−0.839
Mn							1	0.637	0.081	0.714	0.643	0.482	−0.341	−0.789	0.543	−0.469	−0.627	0.230	−0.792
Fe								1	−0.226	0.913	0.984	0.969	−0.763	−0.913	0.579	−0.695	−0.453	0.834	−0.947
Co									1	−0.138	−0.192	−0.206	0.718	0.119	0.613	0.786	0.676	−0.329	0.233
Ni										1	0.957	0.905	−0.682	−0.891	0.567	−0.666	−0.493	0.622	−0.916
Cu											1	0.977	−0.758	−0.891	0.606	−0.682	−0.449	0.794	−0.948
Zn												1	−0.739	−0.815	0.570	−0.636	−0.314	0.854	−0.873
As													1	0.665	−0.049	0.911	0.715	−0.693	0.779
Se														1	−0.595	0.626	0.531	−0.650	0.922
Rb															1	0.128	0.186	0.459	−0.537
Sr																1	0.873	−0.509	0.759
Mo																	1	−0.189	0.640
Sb																		1	−0.662
U																			1

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

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