重金属 | As | Cr | Cu | Hg | Ni | Zn |
As | 1 | |||||
Cr | 0.090 | 1 | ||||
Cu | 0.326 | −0.457 | 1 | |||
Hg | −0.366 | 0.416 | −0.993** | 1 | ||
Ni | 0.212 | 0.339 | 0.652 | −0.660 | 1 | |
Zn | 0.055 | 0.299 | −0.453 | 0.456 | −0.324 | 1 |