Skip to main content

Table 4 Correlation matrix (linear relationship) between various chemical parameters

From: The analysis of groundwater nitrate pollution and health risk assessment in rural areas of Yantai, China

VariablesNitrateDissolved solidsTotal hardnessChlorideSulfateAmmonia nitrogen
Nitrate1     
Dissolved solids0.68701    
Total hardness0.68520.92101   
Chloride0.52770.83820.78541  
Sulfate0.32520.57530.55500.44901 
Ammonia nitrogen0.02370.13550.10830.10310.05821