Research Article
Evaluation of Groundwater for Arsenic Contamination Using Hydrogeochemical Properties and Multivariate Statistical Methods in Saudi Arabia
Table 3
Pearson correlation matrix for the hydrochemical properties indicating the extent of effect of parameters.
| | pH
| EC (μS/cm)
| Na+ | K+ | Ca+ | Mg+ | | Cl− | | |
| EC (μS/cm) | 0.469 | | | | | | | | | | Na+ |
0.113
| −0.026 | | | | | | | | | K+ | −0.116 | −0.242 |
0.561
| | | | | | | | Ca+ | −0.174 | −0.411 |
0.207
|
0.630
| | | | | | | Mg+ | −0.210 | −0.272 |
0.725
|
0.826
|
0.617
| | | | | | | −0.519 | −0.520 | −0.013 |
0.374
|
0.241
|
0.381
| | | | | Cl− | −0.101 | −0.152 |
0.153
|
0.422
|
0.614
|
0.526
|
0.076
| | | | |
0.105
| −0.208 | −0.014 |
0.297
|
0.735
|
0.244
| −0.098 |
0.531
| | | | −0.347 | −0.344 |
0.014
|
0.706
|
0.720
|
0.607
|
0.521
|
0.502
|
0.370
| | As (ug/L) |
0.183
| −0.055 |
0.343
|
0.349
|
0.270
|
0.485
| −0.049 |
0.709
|
0.347
|
0.108
|
|
|