As-05 : As > 99.999%, total impurities<10pmm
As-06 : As > 99.9999%, total impurities<1pmm
As-07 : As > 99.99999%, total impurities<0.1pmm
|
|
Typical Analysis |
|
As-05 |
As-06 |
As-07 |
|
As |
≥99.999% |
≥99.9999% |
≥99.99999% |
|
Ag |
0.1 ppm |
0.01 ppm |
0.001 ppm |
|
Al |
0.5 ppm |
0.05 ppm |
0.005 ppm |
|
Ca |
0.5 ppm |
0.1 ppm |
0.005 ppm |
|
Cu |
0.5 ppm |
0.01 ppm |
0.001 ppm |
|
Fe |
0.5 ppm |
0.05 ppm |
0.005 ppm |
|
Mg |
0.2 ppm |
0.05 ppm |
0.005 ppm |
|
Ni |
0.1 ppm |
0.01 ppm |
0.005 ppm |
|
Pb |
0.5 ppm |
0.03 ppm |
0.005 ppm |
|
Zn |
0.5 ppm |
0.1 ppm |
0.005 ppm |
|
Se |
1 ppm |
0.05 ppm |
0.001 ppm |
|
Cr |
0.5 ppm |
0.05 ppm |
0.001 ppm |
|
Sb |
0.5 ppm |
0.1 ppm |
0.001 ppm |
|
S |
1 ppm |
0.1 ppm |
0.005 ppm |
|
Total impurities |
＜10 ppm |
＜1 ppm |
＜0.1 ppm |
Common Uses: III-V family compound semiconductors ( GaAs) , dopant for semiconductors, etc.
Physical shape: bar, chunk.
|
Color |
Gray white |
|
Appearance |
Chunk or bar crystal, no black film on surface |
|
Atomic weight |
74.922 |
|
Melting point |
817℃(at 2.837 Mpa) |
|
Boiling point |
613℃ |
|
Density |
5.73 g/cm3(at 20℃) |
Package: sealed glass tube vacuum packaged. |
