Table 9.
Principal component analysis (PCA) with varimax rotation for all heavy metal found in studied water sample.
| Rotated Component Matrixa | ||||
|---|---|---|---|---|
| Elements | Component |
|||
| PC1 | PC2 | PC3 | PC4 | |
| Co | .870 | -.248 | -.243 | .070 |
| Mn | .863 | .045 | .198 | -.292 |
| Cu | .831 | .292 | .057 | .337 |
| NH4+ | .700 | .152 | -.213 | -.304 |
| Pb | -.065 | .891 | -.210 | -.034 |
| NO3- | .000 | .796 | -.268 | .301 |
| Cr | .458 | .734 | .214 | -.276 |
| Ca | -.200 | -.572 | .465 | .482 |
| Fe | .011 | -.195 | .859 | .046 |
| Cd | .063 | .139 | -.821 | .134 |
| Zn | -.029 | .122 | .371 | -.733 |
| As | -.251 | .339 | .452 | .723 |
Extraction Method: Principal Component Analysis.
Rotation Method: Varimax with Kaiser Normalization.
a
Rotation converged in 8 iterations.