Hot sale Manganese Dioxide - price for tellurium powder Te 99.99% – Xinglu
Hot sale Manganese Dioxide - price for tellurium powder Te 99.99% – Xinglu Detail:
Product Description
1. MATERIAL OVERVIEW
Characteristics: |
Silvery white, lustrous, solid metal. Soluble in sulfuric acid, nitric acid, potassium hydroxide and potassium cyanide solution. Insoluble in water. Imparts garlic-like odor to breath, can be depilatory. It is a p-type semiconductor and its conductivity is sensitive to light exposure. |
Hazards: |
(Metal and compounds, as Te): Toxic by inhalation. Tolerance: 0.1 mg/m3 of air. |
Applications: |
Tellurium could be used in different fields, according to its purity. It could be used as infrared detector materials, solar cell material, cooling material and so on. Mainly applied for compound semi-conductor, solar energy cell, electrothermic transition element, cooling element,air-sensitive,thermosensitive,pressure-sensitive,photosensitive,piezo-electric crystal and nuclear radiation detect, infrared detector and basic material. |
2. GENERAL PROPERTIES
Symbol: |
Te |
CAS: |
13494-80-9 |
Atomic Number: |
52 |
Atomic Weight: |
127.60 |
Density: |
6.24 gm/cc |
Melting Point: |
449.5 ℃ |
Boiling Point: |
989.8 ℃ |
Thermal Conductivity: |
- |
Electrical Resistivity: |
4.36x10(5) microhm-cm @ 25 ℃ |
Electronegativity: |
2.1 Paulings |
Specific Heat: |
0.0481 Cal/g/oK @ 25℃ |
Heat of Vaporization: |
11.9 K-Cal/gm atom at 989.8 ℃ |
|
Heat of Fusion: |
3.23 Cal/gm mole |
3. SPECIFICATION
|
Te % |
99.99 min |
|
Al |
5 |
|
Cu |
10 |
|
Fe |
5 |
|
Pb |
15 |
|
Bl |
5 |
|
Na |
20 |
|
Si |
5 |
|
S |
10 |
|
Se |
15 |
|
As |
5 |
|
Mg |
5 |
|
Total content of impurity |
100max |
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Our advancement depends over the highly developed devices, excellent talents and continually strengthened technology forces for Hot sale Manganese Dioxide - price for tellurium powder Te 99.99% – Xinglu, The product will supply to all over the world, such as: Oslo, United States, Mongolia, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.
By Ina from Slovak Republic - 2017.09.16 13:44
The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
By Ellen from venezuela - 2018.11.04 10:32
