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Effect of Industrial Effluent on Irrigation Water Quality of Choba River in the Niger Delta Region of Nigeria

Research Journal of Ecology and Environmental Sciences | Vol 2, Issue 4

Table 5. Correlation matrix of Choba River water samples parameters

	pH	EC	Na⁺	K⁺	Ca²⁺	Mg²⁺	Fe²⁺	Pb²⁺	Cl^-	SO₄²⁺	CO^3-	HCO^3-	NO^3-	PO₄^3-	TPHC
pH	1
EC	-0.3199	1
Na⁺	-0.2727	0.3545	1
K⁺	0.3625	-0.6208	-0.0014	1
Ca²⁺	0.4551	0.5726	0.3462	0.1043	1
Mg²⁺	0.4772	-0.8098	0.1505	0.5730	-0.2214	1
Fe²⁺	-0.9595	0.2673	-0.0051	-0.42062	-0.5564	-0.5679	1
Pb²⁺	-0.3255	-0.1427	-0.2569	-0.6739	-0.7502	0.0030	0.4299	1
Cl^-	0.4336	0.3455	0.5307	-0.3249	0.5506	0.2125	-0.5752	-0.0073	1
SO₄²⁺	0.369	-0.4015	-0.9689	0.2205	-0.2145	-0.0910	-0.1117	0.0217	-0.5701	1
CO₃^-	-0.8859	0.2735	-0.1875	-0.4563	-0.5487	-0.6518	0.9795	0.4474	-0.6326	0.0662	1
HCO₃^-	0.5221	-0.6757	0.2601	0.8354	0.1021	0.8912	-0.6532	-0.4460	0.1442	-0.0993	-0.7420	1
NO₃^-	-0.73787	0.8246	0.1603	-0.7477	0.0246	-0.8864	0.7505	0.2510	-0.0714	-0.2841	0.7587	-0.8935	1
PO₄^3-	0.30627	-0.2074	-0.8876	0.2582	-0.0189	-0.2742	-0.0691	-0.1955	-0.6039	0.9577	0.1087	-0.1628	-0.1529	1
TPHC	-0.9882	0.4601	0.2946	-0.4477	-0.3417	-0.5862	0.9473	0.2918	-0.3591	-0.3947	0.8829	-0.6103	0.8286	-0.3061	1

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