99.99% Cas 13494-80-9 Tellurium Metal Te Ingot

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

Aika mana imel

Cikakken Bayani

Tags samfurin

Bayanin Samfura

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.Tellurium yana ƙonewa a cikin iska tare da harshen wuta mai launin 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 wutar lantarki.Tellurium tare da tsabta fiye da 99.99% ana kiransa high-tsarki tellurium.

Ƙayyadaddun bayanai

Samfura	Te.3N	Te.4N	Te.5N
Te(min)	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

Aikace-aikace

Ana amfani da shi don shirya semiconductors na II-VI, sel hasken rana, abubuwan canzawa na thermoelectric, abubuwan firiji, diodes masu haske, gano hasken nukiliya, gano infrared da sauran kayan yau da kullun.