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

ʻO ka wehewehe pōkole:

inoa huahana: Tellurium ingot

Maʻemaʻe: 99.99% min

Ka helu CAS: 13494-80-9

Nuipa Molar: 127.60 g/mol

Ka helu hehee: 450 ℃

Puni paila: 988 ℃

Māmā: 6.24

Electronegativity: 2.01

ʻAha Band: 0.35 eV

Mehana kikoʻī: 0.0481 Cal/g/K @ 25°C

ʻO ka māmā o ke koʻokoʻo lahilahi kani: 2610 m·s−1 (ma 20 °C)

ʻO ke kau wela wela: 2.35 W/m/K

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Hōʻike huahana

He ʻano metala keʻokeʻo keʻokeʻo, he 6.25 g / cm3 ka nui, kahi heheʻe o 452 ° C, kahi paila o 1390 ° C, a me kahi paʻakikī o 2.5 (Mohs hardness). ʻElua mau ʻano allotropic, crystalline a me amorphous. Ua wela ka Tellurium i ka lewa me ka lapalapa polū a hoʻopuka i ka tellurium dioxide; Hiki iā ia ke hana me nā halogen akā ʻaʻole me ka sulfur a me ka selenium. Hiki ke hoʻoheheʻe ʻia i loko o ka sulfuric acid, nitric acid, potassium hydroxide and potassium cyanide solution. ʻAʻole maikaʻi ka hoʻoili wela a me ka conductivity uila. ʻO Tellurium me ka apurity ʻoi aku ma mua o 99.99% ua kapa ʻia ʻo tellurium maʻemaʻe kiʻekiʻe.

Hōʻike

Hoʻohālike	ʻO Te.3N	ʻO Te.4N	ʻO Te.5N
Ka(Min%)	99.9	99.99	99.999
haumia	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
Huina	500	100	10

Palapala noi

Hoʻohana ʻia ia e hoʻomākaukau i ka II-VI pūhui semiconductor, solar cell, thermoelectric conversion elements, refrigeration elements, light-emitting diodes, nuclear radiation detectors, infrared detectors a me nā mea kumu ʻē aʻe.