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high purity tellurium 99.99% 4n 5n 6n 7n tellurium ingot
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| Post Date: | Aug 31,2016 |
| Expiry Date: | Sep 07,2016 |
| Detailed Description: |
Cas No. :13494-80-9
Quantity: 1Kilograms Specs:4n-7n Price:40-70 USD Kilograms Payment Method: L/C,D/A,D/P,T/T,Western Union,MoneyGram 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 Impurities in ppm Te % 99.999 min Cu 0.5 max Ag 0.2 max Mg 0.2 max Sb / Ni 0.5 max Zn 0.5 max Bi 0.5 max Mn 0.2 max Ca 1.0 max Fe 1.2 max Cd 0.5 max Cr 0.1 max As / Si 1.0 max Al 0.5 max Se 2.0 max Pb 0.5 max Sn 0.2 max Na 0.5 max |
| CAS Registry Number: | 13494-80-9 |
| Synonyms: | ;TelluriumpowderNmesh;Tellurium broken ingot (99.99+%);Telluriumingotbrokenpieces;Tellurium powder;TellurStcke;TelluriumchunkN;TelluriumpiecesN;Tellurium solution 1000 ppm;Tellurium solution 10 000 ppm;hydrogen telluride;tellurium; |
| Molecular Formula: | Te |
| Molecular Weight: | 127.6 |
| Molecular Structure: | 
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| Hazard Symbols: |  T:Toxic; |
| Risk Codes: | R25:Toxic if swallowed.; |
| Safety Description: | S22:Do not inhale dust.; S24/25:Avoid contact with skin and eyes.; |
| Company: | Wuhan Xinrong New Material Co.,Ltd [ China ] |
| Contact: | Kathy |
| Tel: | +86-027-86699856 |
| Fax: | 027-87868992 |
| Email: | sale05@91material.com |
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