Металлический слиток Tellurium высокой чистоты 4N 5N по лучшей


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Product Description


1. Product Description























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. Specification



















































Product name


Tellurium Ingot


Appearance


Silvery white, lustrous, solid ingot


Molecular formula


Te


Molecular weight


127.6


Analysis


ICP-MS


CAS No.


13494-80-9


Melting point


449.5 ℃


Boiling point


989.8 ℃


Standard


YS/T 222-2010


Density


6.24 g/mL at 25 °C


Production process


Chemical, physical, reduction, electrolytic process


 




3. Impurity Analysis

























































Elements
Impurity

Cu8.1ppm
Pb
0.5ppm


Al

1.0ppm

Bi

1.0ppm
Fe1.0ppm
Na6.0ppm
Si
1.0ppm

S2.9ppm
As1.0ppm
Mg1.0pm
Se5.0ppm
Total28.5ppm

 



 

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