2019 New Style Nano Copper Oxide - price for tellurium powder Te 99.99% – Xinglu
2019 New Style Nano Copper Oxide - 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 enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for 2019 New Style Nano Copper Oxide - price for tellurium powder Te 99.99% – Xinglu, The product will supply to all over the world, such as: Estonia, Peru, US, Many years of work experience, we have now realized the importance of providing good quality products and solutions and the best before-sales and after-sales services. Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it. faster delivery time and the product you want is our Criterion .
By Carey from Johor - 2018.06.30 17:29
Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
By Chris Fountas from Denmark - 2018.11.02 11:11
