Cu

Zn

Fe

Mn

Ni

Pb

Cd

Cr

Cu

1

Zn

0.980

1

Fe

0.794

0.670

1

Mn

0.442

0.259

0.788

1

Ni

−0.126

0.056

−0.702

−0.789

1

Pb

0.992

0.950

0.862

0.536

−0.246

1

Cd

0.869

0.770

0.989

0.706

−0.594

0.921

1

Cr

0.779

0.653

0.847

0.884

−0.489

0.828

0.832

1