Fekitari inopa Selenium poda / Pellets / Beads / Se Granules nemutengo wakanaka

Tsanangudzo Pfupi

Zita rechigadzirwa: Selenium Se

Formula: Se

Kuchena: 99.9% - 99.9999%

Cas Nhamba: 7782-49-2

Kuonekwa: poda kana granules

Chikamu saizi: 200 mesh, 2-5mm, nezvimwe

Mucherechedzo: Epoch-Chem


Product Detail

Product Tags

Product Description

Amorphous dzvuku poda, kuva dema pakumira uye crystalline pakudziya;vitreous uye colloidal mafomu anogona kugadzirwa.

Amorphous fomu inopfava pa40 °C uye inonyunguduka pa217 °C.Izvo hazviwanzo kuitika mune yayo yekutanga mamiriro mune zvakasikwa, kana seyakachena ore makomisheni.

Tsanangudzo

Chiratidzo:
Se
CAS
7782-49-2
Atomic Number:
34
Atomic Weight:
78.96
Density:
4.79 gm/cc
Melting Point:
217 oC
Boiling Point:
684.9 oC
Thermal Conductivity:
0.00519 W/cm/K @ 298.2 K
Electrical Resistivity:
106 microhm-cm @ 0 oC
Electronegativity:
2.4 Paulings
Chaicho Kupisa:
0.767 Cal/g/K @ 25 oC
Kupisa kweVaporization:
3.34 K-cal/gm atomu pa684.9 oC
Kupisa kweFusion:
1.22 Cal/gm mole
Brand
Epoch-Chem

Application

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

2 Sainzi yepamusoro tekinoroji indasitiri: lead selenide, zinc selenide, mhangura indium gallium diselenide.

3 Magetsi:semiconductors,electropositive simbi,Tetraselenium tetranitride.

4 Chemistry:Selenols,selenium isotope,Plastiki, kuratidzwa kwemifananidzo.

5 Indasitiri application: Girazi kugadzira, selenium chigubhu, electrostatic mufananidzo, Optical chiridzwa.

Zvatiri Zvakanakira

Rare-earth-scandium-oxide-ine-guru-mutengo-2

Service yatinokwanisa kupa

1) Chibvumirano chepamutemo chinogona kusaina

2) Chibvumirano chekuvanzika chinogona kusaina

3) Mazuva manomwe ekudzorera vimbiso

Zvinotonyanya kukosha: isu hatigone kupa kwete chigadzirwa chete, asi tekinoroji mhinduro sevhisi!


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