I-CAS 7782-49-2 UCentraity of Preity 99.9% -99.999% yeSlonium SE Plewder okanye i-Granule

I-CAS 7782-49-2 Ukuziphakamiso okuphezulu 99.9% -99.999% ye-Selenium SE Poder okanye i-Granules Poit
  • I-CAS 7782-49-2 UCentraity of Preity 99.9% -99.999% yeSlonium SE Plewder okanye i-Granule
  • I-CAS 7782-49-2 UCentraity of Preity 99.9% -99.999% yeSlonium SE Plewder okanye i-Granule
  • I-CAS 7782-49-2 UCentraity of Preity 99.9% -99.999% yeSlonium SE Plewder okanye i-Granule

Inkcazo emfutshane:

Igama lemveliso: I-Selenium se powder

Ifomula: Se

Ukucoceka: 99.9% - 99.999%

I-HAYS HAYI: 7782-49-2

Imbonakalo: umgubo omnyama

Ubungakanani bentsundu: 200 Mesh


Iinkcukacha zemveliso

Iimpawu zeMveliso

Ingcaciso yeMveliso

I-amorphous powder ebomvu, iba mnyama kukuma kunye ne-crystalline kwimfumba; Iifom ze-vitreous kunye ne-colloidal zinokulungiswa.

I-Amorphous Plettens nge-40 ° C kwaye inyibilika nge-217 ° C. Kunqabile ukuba senze imeko yayo yobume bendalo, okanye njengamanzi acocekileyo acocekileyo.

Ukucaciswa

Isimboli:
Se
I-CAS
7782-49-2
Inombolo yeatomic:
34
Ubunzima beatomic:
78.96
Ukuxinana:
I-4.79 GM / CC
Indawo yokunyibilika:
217 OC
Inqaku lokubila:
I-684.9 OC
Ukuqhutywa kwe-thermal:
0.00519 w / cm / k @ 298.2 k
Ukunganyangwa kombane:
I-106 microhm-cm @ 0 OC
I-electronegativer:
2.4 UPawulos
Ubushushu obuthile:
I-0.767 Cal / G / K @ 25 OC
Ubushushu be-vaporization:
3.34 K-cal / gm atom kwi-684.9 OC
Ubushushu be-fusion:
1.22 i-cal / gm mole

 

Isicelo

I-1 UKUFIWA: I-SKIDID, I-Delenium dichnide, iKestid, iMercuride.

2 Umzi-mveliso weTekhnoloji yeNzululwazi ePhezulu: IKeed Selenide, i-Zinc yaseKinc Selenide, Copper Indium Gllium Scielede.

I-3 yoMoya: I-Semicontuetors, izinyithi ze-elektroniki, iTetraselium Tetitine.

I-4 chemistry: I-chenomlols, iskhonium isotope, iplastiki, ukuvezwa kwefoto.

Isicelo sesi-5 seShishini: Ukwenza i-Gard, iDerum Dumm, ifoto ye-elektrostatic, isixhobo sokukhanya.

Izibonelelo zethu

I-Scandi-Scandium-Scandium-oxide-enexabiso le-2

Inkonzo esinokuyinika

1) Imvumelwano esesikweni inokusayinwa

2) Isivumelwano semfihlo sinokutyikitywa

I-3) isiqinisekiso seentsuku ezisixhenxe

Okubaluleke ngakumbi: Asinakubonelela ngemveliso kuphela, kodwa inkonzo yeTekhnoloji!

FAQ

Ngaba uyasebenza okanye urhwebo?

Sinemenzi, umzi-mveliso wethu ubeseShandong, kodwa sikwazi ukubonelela ngenkonzo yokuthenga kuwe!

Immimiselo yokuhlawula

I-T / T (i-Telex), i-Western Union, iMoneyGram, Btc (iBitcoin), njl.

Ixesha lokukhokhela

≤25KG: Kwiintsuku ezintathu zomsebenzi emva kokuba intlawulo ifunyenwe. > 25kg: kwiveki enye

Isampulu

Ifumaneka, sinokubonelela ngeesampulu ezikhulu zasimahla zenjongo yovavanyo olusemgangathweni!

Iphakheji

I-1kg nganye yengxowa ye-FPR, i-25kg okanye i-50kg nganye kwiDrum, okanye njengoko ufuna njalo.

Ukugcinwa

Gcina isikhongozelo sivaliwe ngokuqinileyo kwindawo eyomileyo, epholileyo nenomoya.

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  • Okulandelayo:

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