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

Apejuwe kukuru:

Orukọ ọja: Tellurium ingot

Mimọ: 99.99% min

CAS No.: 13494-80-9

Iwọn Molar: 127.60 g / mol

Ojuami yo: 450 ℃

Oju omi farabale: 988 ℃

iwuwo: 6.24

Electronegativity: 2.01

Aafo iye: 0,35 eV

Ooru kan pato: 0.0481 Cal/g/K @ 25°C

Iyara ọpá ohun: 2610 m·s−1 (ni 20°C)

Gbona elekitiriki: 2,35 W/m/K

Fi imeeli ranṣẹ si wa

Alaye ọja

ọja Tags

ọja Apejuwe

O ni irisi fadaka-funfun ti fadaka, iwuwo ti 6.25 g / cm3, aaye yo ti 452 ° C, aaye farabale ti 1390 ° C, ati lile ti 2.5 (lile Mohs). Awọn fọọmu allotropic meji wa, crystalline ati amorphous. Tellurium n jo ni afẹfẹ pẹlu ina buluu ati pe o nmu tellurium oloro; o le fesi pẹlu halogens ṣugbọn kii ṣe pẹlu sulfur ati selenium. Soluble ni sulfuric acid, nitric acid, potasiomu hydroxide ati ojutu cyanide potasiomu. Ko dara ooru gbigbe ati itanna elekitiriki. Tellurium pẹlu apurity ti o ju 99.99% ni a npe ni tellurium giga-mimọ.

Sipesifikesonu

Awoṣe	Te.3N	Te.4N	Te.5N
Te(min)	99.9	99.99	99.999
Aimọ	Iye ti o ga julọ ti 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
Lapapọ	500	100	10

Ohun elo

O ti wa ni lo lati mura II-VI agbo semikondokito, oorun ẹyin, thermoelectric eroja iyipada, refrigeration eroja, ina-emitting diodes, iparun Ìtọjú erin, infurarẹẹdi aṣawari ati awọn miiran ipilẹ ohun elo.