Tellurium
- Số CAS
- 13494-80-9
- Khối lượng phân tử
- 127.6
- Công thức phân tử / ký hiệu hóa học
- Te
Mô tả
Appearance: Orthorhombic system silvery white crystalDensity: 8.27 g/cm3.
Melting point: 449.5 °C
Boiling point: 989.8 °C
ỨNG DỤNG
Tellurium is used in Metallurgy,Semiconductor and electronic industry,cadmium telluride (CdTe) solar panels,
the production of glass fibers for telecommunications. Used to color ceramics,and so on.
Phiếu kiểm nghiệm
Item No.
|
Description
|
Purity
|
Lot Size
|
ME52-3N
|
Tellurium Metal
|
99.9%
|
50 kg
200 kg
1000 kg
|
ME52-4N
|
Tellurium Metal
|
99.99%
|
20 kg
50 kg
200 kg
|
ME52-5N
|
Tellurium Metal
For semiconductor applications
|
99.999%
|
20 kg
50 kg
200 kg
|
ME52-6N
|
Tellurium Metal
For semiconductor applications
|
99.9999%
|
10 kg
20 kg
100 kg
|
ME52-7N
|
Tellurium Metal
For semiconductor applications
|
99.99999%
|
5 kg
20 kg
50 kg
|
|
TEST ITEMS(%) |
TEST RESULTS |
|
|
Te |
99.9% |
99.99% |
|
Cu |
0.003ppm |
0.001ppm |
|
Pb |
0.004ppm |
0.002ppm |
|
Al |
0.003ppm |
0.0009ppm |
|
Fe |
0.04ppm |
0.009ppm |
|
Na |
0.006ppm |
0.003ppm |
|
Si |
0.002ppm |
0.001ppm |
|
S |
0.005ppm |
0.001ppm |
|
Se |
0.02ppm |
0.002ppm |
|
As |
0.001ppm |
0.0005ppm |
|
Mg |
0.002ppm |
0.0009ppm |