As

Fe

Cr

Mn

Cu

Zn

Cd

Pb

Hg

As

1

Fe

0.91

1

Cr

0.72

0.86

1

Mn

0.49

0.32

0.31

1

Cu

0.75

0.47

0.37

0.44

1

Zn

0.96

0.93

0.83

0.37

0.76

1

Cd

0.66

0.61

0.82

0.72

0.56

0.71

1

Pb

0.45

0.22

0.32

0.91

0.65

0.41

0.80

1

Hg

0.84

0.89

0.95

0.23

0.54

0.92

0.74

0.28

1