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

Nkọwa dị mkpirikpi:

Aha ngwaahịa: Tellurium ingot

Ịdị ọcha: 99.99% min

Nọmba CAS: 13494-80-9

Oke mola: 127.60 g/mol

Ebe mgbaze: 450 ℃

Ebe esi mmiri: 988 ℃

Njupụta: 6.24

Electronegativity: 2.01

Oghere band: 0.35 eV

Okpomọkụ akọwapụtara: 0.0481 Cal/g/K @ 25°C

Ọsọ mkpanaka ụda ụda: 2610 m·s−1 (na 20 Celsius)

Nrụgide okpomọkụ: 2.35 W/m/K

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Nkọwa ngwaahịa

Ọ nwere ọdịdị ọla ọcha na-acha ọcha, njupụta nke 6.25 g / cm3, ebe na-agbaze nke 452 Celsius C, ebe na-esi ísì ụtọ nke 1390 Celsius C, na ike nke 2.5 (Mohs hardness). Enwere ụdị allotropic abụọ, crystalline na amorphous. Tellurium na-eji ọkụ na-acha anụnụ anụnụ na-ere ikuku na-emepụta tellurium dioxide; ọ nwere ike meghachi omume na halogens mana ọ bụghị na sọlfọ na selenium. Soluble na sulfuric acid, nitric acid, potassium hydroxide na potassium cyanide ngwọta. Nfefe ọkụ na-adịghị mma na eletriki eletrik. Tellurium nwere ịdị ọcha karịa 99.99% ka a na-akpọ tellurium dị ọcha.

Nkọwapụta

Nlereanya	Te.3N	Te.4N	Te.5N
Te(Nkeji%)	99.9	99.99	99,999
adịghị ọcha	Oke 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
Mkpokọta	500	100	10

Ngwa

A na-eji ya akwadebe semiconductors nke II-VI, mkpụrụ ndụ anyanwụ, ihe ngbanwe thermoelectric, ihe refrigeration, diodes ọkụ, nchọpụta radieshon nuklia, nchọpụta infrared na ihe ndị ọzọ bụ isi.