NO. |
ITEM |
STANDARD SPECIFICATION |
|||
1 |
Arsenic ≥ |
5N |
6N |
7N |
|
99.999% |
99.9999% |
99.99999% |
|||
2 |
Impurity PPMwt Max Each |
Mg |
0.2 |
0.02 |
0.005 |
Zn |
0.5 |
0.02 |
0.005 |
||
Ca |
0.5 |
0.05 |
0.010 |
||
Cu |
0.5 |
0.01 |
0.002 |
||
Cr |
0.5 |
0.02 |
0.005 |
||
Se |
1.0 |
0.02 |
0.005 |
||
Ni |
0.1 |
0.02 |
0.005 |
||
Pb |
0.5 |
0.01 |
0.005 |
||
Ag |
0.1 |
0.01 |
0.005 |
||
Al |
0.5 |
0.02 |
0.005 |
||
Fe |
0.5 |
0.05 |
0.010 |
||
Sb |
0.5 |
0.02 |
0.005 |
||
S |
1.0 |
- |
- |
||
Bi |
0.5 |
0.02 |
0.005 |
||
Na |
0.5 |
0.05 |
0.010 |
||
B |
- |
- |
0.010 |
||
K |
0.5 |
0.02 |
0.010 |
||
3 |
Size |
2-10mm, 2-20mm, 3-25mm irregular lump |
|||
4 |
Packing |
1.5kg is in Schott glass bottle, 9 bottles in carton box. |