Metals (mg/kg) | F1 | F2 | F3 | F4 | F5 | F6 |
Pb | 0.908 | −0.391 | −0.107 | −0.056 | −0.024 | 0.087 |
Cd | 0.912 | −0.221 | −0.189 | 0.284 | 0.048 | −0.026 |
Cr | 0.842 | 0.260 | 0.459 | 0.117 | −0.017 | 0.012 |
Zn | 0.559 | 0.791 | −0.237 | 0.017 | −0.073 | −0.001 |
Cu | 0.874 | −0.455 | 0.028 | −0.140 | −0.068 | −0.064 |
Ni | 0.918 | 0.320 | −0.009 | −0.210 | 0.101 | −0.009 |
Eigenvalue | 4.284 | 1.204 | 0.314 | 0.161 | 0.023 | 0.013 |
Variability (%) | 71.4 | 20.1 | 5.24 | 2.69 | 0.39 | 0.21 |
Cumulative % | 71.4 | 91.5 | 96.7 | 99.4 | 99.8 | 100 |