Cas 7782-49-2 bohloeki bo phahameng 99.9% -99.999% Selenium Se phofo kapa theko ea granules

Cas 7782-49-2 bohloeki bo phahameng 99.9% -99.999% Selenium Se phofo kapa theko ea granules Featured Image
  • Cas 7782-49-2 bohloeki bo phahameng 99.9% -99.999% Selenium Se phofo kapa theko ea granules
  • Cas 7782-49-2 bohloeki bo phahameng 99.9% -99.999% Selenium Se phofo kapa theko ea granules
  • Cas 7782-49-2 bohloeki bo phahameng 99.9% -99.999% Selenium Se phofo kapa theko ea granules

Tlhaloso e Khutšoanyane:

Lebitso la sehlahisoa: Selenium Se phofo

Foromo: Se

Bohloeki: 99.9% - 99.999%

Cas No: 7782-49-2

Ponahalo: phofo e ntšo

Boholo ba likarolo: 200 mesh


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Tlhaloso ea Sehlahisoa

Phofo e khubelu ea amorphous, e fetoha e ntšo ha e eme le kristale ha e futhumatsa; mefuta ea vitreous le colloidal e ka lokisoa.

Sebopeho sa amorphous se kokobela ho 40 °C mme se qhibiliha ho 217 °C. Ha se hangata e hlahang maemong a eona a mantlha ka tlhaho, kapa joalo ka metsoako e hloekileng ea ore.

Tlhaloso

Letšoao:
Se
CAS
7782-49-2
Nomoro ea Atomic:
34
Boima ba Atomic:
78.96
Tekano:
4.79 gm/cc
Melting Point:
217 oC
Sebaka sa ho Bela:
684.9 oC
Thermal Conductivity:
0.00519 W/cm/K @ 298.2 K
Ho hanyetsa Motlakase:
106 microhm-cm @ 0 oC
Electronegativity:
2.4 Lipapali
Mocheso o khethehileng:
0.767 Cal/g/K @ 25 oC
Mocheso oa vaporization:
3.34 K-cal/gm athomo ho 684.9 oC
Mocheso oa Fusion:
1.22 Cal/gm mole

 

Kopo

1 Tlhahiso: selenium(I) chlorid,Selenium dichloride,Selenides, mercury selenide.

2 Indasteri ea theknoloji e phahameng ea mahlale: lead selenide, zinc selenide, copper indium gallium diselenide.

3 Motlakase: li-semiconductors, tšepe ea motlakase, Tetraselenium tetranitride.

4 Chemistry: Selenols, selenium isotope, Plastiki, ponts'o ea lifoto.

5 Ts'ebeliso ea indasteri: Ho etsa likhalase, moqomo oa selenium, foto ea electrostatic, sesebelisoa sa optical.

Melemo ea Rōna

Rare-earth-scandium-oxide-ka theko-e kholo-2

Tšebeletso eo re ka fanang ka eona

1) Konteraka e hlophisitsoeng e ka saenoa

2) Tumellano ea lekunutu e ka tekenoa

3) Tiisetso ea puseletso ea matsatsi a supileng

Habohlokoa le ho feta: re ke ke ra fana ka sehlahisoa feela, empa tšebeletso ea tharollo ea theknoloji!

LBH

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Lipehelo tsa tefo

T/T(telex transfer), Western Union, MoneyGram, BTC(bitcoin), joalo-joalo.

Lead time

≤25kg: matsatsing a mararo a sebetsang ka mor'a hore tefo e amoheloe. ＞25kg: beke e le nngwe

Mohlala

E fumaneha, re ka fana ka disampole tse nyane tsa mahala bakeng sa morero oa tlhahlobo ea boleng!

Sephutheloana

1kg ka mokotla disampole tsa fpr, 25kg kapa 50kg ka moropa, kapa kamoo o neng o batla kateng.

Polokelo

Boloka setshelo se koetsoe ka thata sebakeng se omeletseng, se pholileng le se nang le moea o motle.

  • E fetileng:
  • E 'ngoe:

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