Specification of Tellurium Metal
1.0 Materials Description: Tellurium Metal (Ingot,block, powder)
2.0 Physical Requirements:
2.1 CAS Number: 13494-80-9
2.2 Melting point: 452℃
Boiling point: 1390 ° C
3.0 Chemical Requirements
3.1 Purity: Te:99.99%-99.99999%
3.2 Impurity: (ppm)
|
Te-004(%) |
Te-005 |
Te-006 |
Te-007 |
Si |
0.006 |
<1.0 |
-- |
-- |
Se |
0.0018 |
<1.0 |
<0.1 |
<0.01 |
Mg |
0.0005 |
<0. 5 |
<0.05 |
<0.005 |
Ni |
-- |
<0.5 |
<0.05 |
<0.005 |
Pb |
0.0004 |
<0. 4 |
<0.05 |
<0.005 |
Fe |
0.0009 |
<0.2 |
<0.05 |
<0.01 |
Al |
0.0003 |
<0.2 |
<0.05 |
<0.005 |
Cd |
-- |
<0.2 |
<0.05 |
<0.005 |
Ag |
-- |
<0.2 |
<0.01 |
<0.001 |
Sn |
-- |
<0.2 |
-- |
-- |
Cu |
0.0035 |
<0.2 |
<0.01 |
<0.001 |
Zn |
-- |
-- |
<0.1 |
<0.02 |
Ca |
-- |
-- |
<0.1 |
<0.01 |
Sum |
|
10 |
1 |
<0.1 |
4.0 Packaging: as requested. |