Table 8.
Pearson correlation matrix analysis for all heavy metals and selective anions found in studied water sample.
| Elements | Fe | Mn | Cr | Pb | Cd | Co | Ca | Cu | Zn | As | NH4+ | NO3- |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fe | 1 | |||||||||||
| Mn | .104 | 1 | ||||||||||
| Cr | .110 | .456 | 1 | |||||||||
| Pb | -.260 | .022 | .550 | 1 | ||||||||
| Cd | -.645∗ | .086 | -.073 | .443 | 1 | |||||||
| Co | .079 | .650∗ | .135 | .164 | .233 | 1 | ||||||
| Ca | .498 | .121 | -.624∗ | -.527 | .274 | .168 | 1 | |||||
| Cu | .109 | .704∗ | .440 | .184 | .110 | .652∗ | .096 | 1 | ||||
| Zn | .114 | .392 | .212 | .135 | .260 | .193 | .096 | -.053 | 1 | |||
| As | .303 | -.368 | .061 | .162 | -.196 | -.389 | .397 | .194 | .265 | 1 | ||
| NH4+ | .175 | .541 | .578∗ | .013 | .146 | .478 | -.512 | .402 | .040 | -.387 | 1 | |
| NO3- | -.427 | .042 | .345 | .718∗∗ | .217 | .125 | -.405 | .323 | -.225 | .271 | .072 | 1 |
∗. Significant correlation at the 0.05 level (2-tailed).
∗∗. Significant correlation at the 0.01 level (2-tailed).