Ụlọ ọrụ mmepụta ihe Selenium ntụ ntụ / Pellets / Beads / Se Granules nwere ọnụ ahịa kacha mma

Nkọwa dị mkpirikpi:

Aha ngwaahịa: Selenium Se

Usoro: Se

Ịdị ọcha: 99.9% - 99.9999%

Nọmba Cas: 7782-49-2

Ọdịdị: ntụ ntụ ma ọ bụ granules

Oke urughuru: 200 ntupu, 2-5mm, wdg

Ụdị: Epoch-Chem


Nkọwa ngwaahịa

Mkpado ngwaahịa

Nkọwa ngwaahịa

Amorphous uhie ntụ ntụ, na-aghọ oji na guzo na crystalline na kpo oku;Enwere ike ịkwadebe ụdị vitreous na colloidal.

Ụdị amorphous na-adị nro na 40 Celsius ma gbazee na 217 Celsius.Ọ na-adịkarịghị adị na steeti elementrị ya na okike, ma ọ bụ dị ka ogige ore dị ọcha.

Nkọwapụta

Akara:
Se
CAS
7782-49-2
Nọmba atọm:
34
Ibu Atọmk:
78.96
Njupụta:
4.79 gm/cc
Ebe mgbaze:
217 oC
Ebe esi mmiri:
684,9 oC
Nrụpụta okpomọkụ:
0.00519 W/cm/K @ 298.2 K
Mgbochi ọkụ eletrik:
106 microhm-cm @ 0 oC
Electronegativity:
2.4 Paulings
Okpomọkụ akọwapụtara:
0.767 Cal/g/K @ 25 oC
Okpomọkụ nke Vaporization:
3.34 K-cal/gm atọm na 684.9 oC
Okpomọkụ nke Fusion:
1.22 Cal / gm mole
Ụdị
Epoch-Chem

Ngwa

1 Nrụpụta: selenium (I) chlorid, selenium dichloride, selenides, mercury selenide.

2 Sayensị ụlọ ọrụ teknụzụ dị elu: lead selenide, zinc selenide, ọla kọpa indium gallium diselenide.

3 Electric: semiconductors, electropositive ọla, Tetraselenium tetranitride.

4 Chemistry: Selenols, selenium isotope, Plastics, ikpughe foto.

Ngwa ụlọ ọrụ 5: Igwe enyo enyo, drum selenium, foto electrostatic, ngwa anya.

Uru anyị

Obere-ụwa-scandium-oxide-nwere nnukwu ọnụ ahịa-2

Ọrụ anyị nwere ike inye

1) Enwere ike ịbanye nkwekọrịta nkwekọrịta

2) Enwere ike ịbanye nkwekọrịta nzuzo

3) nkwa nkwụghachi ụbọchị asaa

Ihe dị mkpa: anyị nwere ike ịnye ọ bụghị naanị ngwaahịa, mana ọrụ ngwọta teknụzụ!


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