中文名称：钽金属(4N5)
品类(中文)：钽锭、钽棒、钽箔、钽靶材等
英文名称：Tantalum Metals
品类(英文)：Tantalum Ingot, Tantalum Bar, Tantalum Alloy Strip/Foil, Tantalum Sputtering Target
CAS No.：7440-25-7
Specification
|
Item
|
Unit
|
测试结果
Test Result
|
检测方法
Test Method
|
Na
|
ppm
|
< 0.01
|
GDMS
|
Mg
|
ppm
|
< 0.01
|
GDMS
|
Al
|
ppm
|
< 0.01
|
GDMS
|
Si
|
ppm
|
0.19
|
GDMS
|
S
|
ppm
|
< 0.01
|
GDMS
|
K
|
ppm
|
< 0.05
|
GDMS
|
Cr
|
ppm
|
0.22
|
GDMS
|
Fe
|
ppm
|
0.11
|
GDMS
|
Co
|
ppm
|
< 0.01
|
GDMS
|
Ni
|
ppm
|
0.02
|
GDMS
|
Cu
|
ppm
|
1.6
|
GDMS
|
Nb
|
ppm
|
0.92
|
GDMS
|
Mo
|
ppm
|
0.08
|
GDMS
|
W
|
ppm
|
0.76
|
GDMS
|
Th
|
ppm
|
< 0.001
|
GDMS
|
U
|
ppm
|
< 0.001
|
GDMS
|
H
|
ppm
|
< 3
|
EGA
|
C
|
ppm
|
< 5
|
EGA
|
N
|
ppm
|
< 5
|
EGA
|
O
|
ppm
|
8.5
|
EGA
|
注：GDMS-辉光放电质谱法； EGA-气体元素分析法
