| 元素 | Cd | Cr | Cu | Ni | Pb | Zn |
| Cd | 1.00 |
|
|
|
|
|
| Cr | 0.24** | 1.00 |
|
|
|
|
| Cu | 0.27** | 0.67** | 1.00 |
|
|
|
| Ni | 0.22** | 0.72** | 0.55** | 1.00 |
|
|
| Pb | 0.31** | 0.67** | 0.73** | 0.50** | 1.00 |
|
| Zn | 0.28** | 0.72** | 0.76** | 0.53** | 0.90** | 1.00 |