Cr

Mn

Fe

Ni

Cu

Zn

As

Pb

Hg

Cr

1

Mn

−0.48

1

Fe

0.74

−0.57

1

Ni

−0.14

0.28

0.27

1

Cu

0.03

−0.31

0.13

0.30

1

Zn

−0.18

0.10

−0.09

0.42

0.90

1

As

0.04

−0.19

−0.13

0.17

0.78

0.64

1

Pb

−0.58

0.56

−0.51

0.40

0.26

0.59

0.03

1

Hg

0.11

−0.31

0.29

0.22

0.16

−0.11

0.28

−0.42

1