high purity tellurium 99.99% 4n 5n 6n 7n tellurium ingot

• 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:

  

• 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