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Cas 13494-80-9 Tellurium Metal Te foda Featured Hoton
  • Cas 13494-80-9 Tellurium Metal Te foda

Cas 13494-80-9 Tellurium Metal Te foda

Takaitaccen Bayani:

Sunan samfurin: Tellurium ingot

Tsafta: 99.99% min

Lambar CAS: 13494-80-9

Matsakaicin Molar: 127.60 g/mol

Matsayin narkewa: 450 ℃

Tushen tafasa: 988 ℃

Girma: 6.24

Electronegativity: 2.01

Tsawon bandeji: 0.35 eV

Musamman zafi: 0.0481 Cal/g/K @ 25°C

Sautin sandar sauti: 2610 m·s−1 (a 20 ° C)

Ƙarfin zafin jiki: 2.35 W/m/K


Cikakken Bayani

Tags samfurin

Takaitaccen gabatarwa

Sunan samfur:Telluriumingot
Tsafta: 99.99% min
Lambar CAS: 13494-80-9
Matsakaicin Molar: 127.60 g/mol
Matsayin narkewa: 450 ℃
Tushen tafasa: 988 ℃
Girma: 6.24
Electronegativity: 2.01
Tsawon bandeji: 0.35 eV
Musamman zafi: 0.0481 Cal/g/K @ 25°C
Sautin sandar sauti: 2610 m·s−1 (a 20 ° C)
Ƙarfin zafin jiki: 2.35 W/m/K

Halaye.

Yana da siffar ƙarfe-fari na azurfa, girman 6.25 g / cm3, wurin narkewa na 452 ° C, wurin tafasa na 1390 ° C, da taurin 2.5 (taurin Mohs).Akwai nau'ikan allotropic guda biyu, crystalline da amorphous.Telluriumyana ƙonewa a cikin iska tare da harshen wuta mai shuɗi kuma yana haifar da tellurium dioxide;yana iya amsawa da halogens amma ba tare da sulfur da selenium ba.Soluble a cikin sulfuric acid, nitric acid, potassium hydroxide da potassium cyanide bayani.Rashin zafi canja wuri da lantarki aiki.Tellurium tare da tsabta fiye da 99.99% ana kiransa high-tsarki tellurium.

Aikace-aikace

Ana amfani da shi don shirya semiconductors na II-VI, sel hasken rana, abubuwan canza canjin thermoelectric, abubuwan firiji, diodes masu fitar da haske, gano hasken nukiliya, masu gano infrared da sauran kayan yau da kullun.
Ƙayyadaddun bayanai
Samfura
Te.3N
Te.4N
Te.5N
Da (minti%)
99.9
99.99
99.999
Rashin tsarki
Max ppm
Ag
20
5
0.1
Al
10
8
0.4
Cu
10
5
0.5
Cd
10
2
0.1
Fe
30
10
0.2
Mg
50
5
0.1
Ni
50
5
0.5
Pb
20
10
0.5
Sn
20
3
1
Zn
30
5
0.1
Se
30
15
1
Si
20
10
0.5
Bi
30
8
0.4
Jimlar
500
100
10

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