Polishing Powder
   Rare Earth Products
   Non-ferro Metal Products
   Ferroalloy Products
   Magnetic Property
Tellurium Metal 
2010/03/15 15:41:21

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.