99.99% Tellurium Metal Te Ingot ati 13494-80-9
Apejuwe ọja
Mimo | 99.99% iṣẹju |
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 ẹgbẹ | 0,35 eV |
Ooru pato | 0.0481 Cal/g/K @ 25°C |
Iyara ti ohun | ọpá tinrin: 2610 m·s-1 (ni 20 °C) |
Gbona elekitiriki | 2.35 W/m/K |
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 |
Iwa: O ni irisi fadaka-funfun ti fadaka, iwuwo ti 6.25 g / cm3, aaye yo ti 452 ° C, aaye gbigbo ti 1390 ° C, ati lile ti 2.5 (lile Mohs). Awọn fọọmu allotropic meji wa, crystalline ati amorphous.Telluriumn jo ninu afẹfẹ pẹlu ina buluu ati pe o nmu tellurium oloro jade; 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.Telluriumpẹlu mimọ ti o ju 99.99% ni a pe ni tellurium giga-mimọ. |
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. |
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