Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada ama qiimaha granules

Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada ama granules qiimaha Sawirka
  • Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada ama qiimaha granules
  • Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada ama qiimaha granules
  • Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada ama qiimaha granules

Sharaxaad Gaaban:

Magaca alaabta: Selenium Se budada

Formula: Se

Daahirsanaanta: 99.9% - 99.999%

Kaska No: 7782-49-2

Muuqaalka: budada madow

Cabbirka qaybta: 200 mesh


Faahfaahinta Alaabta

Tags Product

Sharaxaada Alaabta

Budada cas ee Amorphous, oo noqonaysa madow on taagan iyo crystalline on kululaynta;foomamka vitreous iyo kolloidal waa la diyaarin karaa.

Foomka amorphous wuxuu ku jilciyaa 40 ° C wuxuuna dhalaalay 217 ° C.Marar dhif ah ayay ku dhacdaa xaaladdeeda aasaasiga ah ee dabiiciga ah, ama sida isku-xidhka macdanta saafiga ah.

Tilmaamid

Astaanta:
Se
CAS
7782-49-2
Lambarka atomiga:
34
Miisaanka atomiga:
78.96
Cufnaanta:
4.79 gm/cc
Meesha dhalaalaysa:
217 oC
Barta Karkari:
684.9 oC
Habdhaqanka Kulaylka:
0.00519 W/cm/K @ 298.2 K
Iska caabin Koronto:
106 microhm-cm @ 0 oC
Electronegativity:
2.4 Paulings
Kuleylka Gaarka ah:
0.767 Cal/g/K @ 25 oC
Kulaylka Uumiga:
3.34 K-cal/gm atamka at 684.9 oC
Kulaylka Fusion:
1.22 Cal/gm mole

 

Codsiga

1 Wax-soo-saarka: selenium(I) kolorid, Selenium dichloride, Selenides, meerkuri selenide.

2 Warshadaha tignoolajiyada sare ee sayniska: lead selenide, zinc selenide, copper indium gallium diselenide.

3 Koronto: semiconductors, biraha elektropositive, Tetraselenium tetranitride.

4 Kiimikada: Selenols, Selenium isotope, Caagag, soo-gaadhis sawireed.

5 Codsiga warshadaha: samaynta muraayadaha, durbaanka selenium, sawir elektrostatic, qalab indhaha.

Faa'iidooyinkayaga

Naadirka-dhulka-scandium-oxide-oo leh-qiimo-weyn-2

Adeeg aan bixin karno

1) Qandaraaska rasmiga ah waa la saxiixi karaa

2) Heshiis qarsoodi ah waa la saxiixi karaa

3) Todoba maalmood oo dammaanad celin ah

Muhiimad badan: waxaan ku siin karnaa ma aha oo kaliya badeecada, laakiin adeegga xalka tignoolajiyada!

FAQ

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Waxaan nahay soo saaraha, warshadeena waxay ku taal Shandong, laakiin sidoo kale waxaan ku siin karnaa hal adeeg iibsi joogsi ah!

Shuruudaha lacag-bixinta

T/T (wareejinta telex), Western Union, MoneyGram, BTC(bitcoin), iwm.

Waqtiga hogaaminta

≤25kg: saddex maalmood oo shaqo gudahood ka dib markii lacagta la helay.＞25kg: hal todobaad

Tusaale

La heli karo, waxaan ku siin karnaa muunado yar yar oo bilaash ah ujeedada qiimeynta tayada!

Xidhmada

1kg halkii bac fpr muunado, 25kg ama 50kg halkii durbaan, ama sida aad u baahan tahay.

Kaydinta

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