Code

Chemical Composition(%)

In

Cu

Pb

Zn

Cd

Fe

Tl

Sn

As

Al

Fe

1

99.993

0.0005

0.001

0.0015

0.0015

0.0008

0.001

0.0015

0.0005

0.0007

0.007

2

99.97

0.001

0.005

0.003

0.004

0.001

0.001

0.002

0.001

0.001

0.03

3

99.9

0.001

0.02

--

0.02

0.01

0.01

0.02

--

--

0.1