磷铜球产品化学成分明细:
Cu+Ag不小于
|
99.90
|
As
|
0.0030
|
P
|
0.040~0.065
|
S
|
0.0030
|
Fe
|
0.0025
|
O
|
0.0020
|
Pb
|
0.0030
|
Bi
|
--
|
Ni
|
0.0030
|
Zn
|
--
|
Sn
|
0.0030
|
杂志总和
|
0.0350
|