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