High-purity Copper Cathode
|
|
Impurity Catagory SN
|
Impurities
|
wt%（ max）
|
Impurity Catagory Subtotal(wt%max)
|
|
1
|
Se
|
0.00020
|
0.0003
|
0.0003
|
|
Te
|
0.00020
|
0
|
|
Bi
|
0.00020
|
|
|
2
|
Cr
|
----
|
0.0015
|
|
Mn
|
----
|
|
Sb
|
0.0004
|
|
Cd
|
----
|
|
As
|
0.0005
|
|
P
|
----
|
|
3
|
Pb
|
0.0005
|
0.0005
|
|
4
|
S
|
0.0015
|
0.0015
|
|
5
|
Sn
|
---
|
0.0020
|
|
Ni
|
---
|
|
Fe
|
0.0010
|
|
Si
|
----
|
|
Zn
|
----
|
|
Co
|
----
|
|
6
|
Ag
|
0.0025
|
0.0025
|
|
Total impurities
|
0.0065
|
|
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