Cas 7782-49-2 Purnity 99.9% -99.999

Cas 7782-49-2 Purnity 99.9% -99.99.999% selenium sily
  • Cas 7782-49-2 Purnity 99.9% -99.999
  • Cas 7782-49-2 Purnity 99.9% -99.999
  • Cas 7782-49-2 Purnity 99.9% -99.999

Kākau pōkole:

Nā inoa huahana: Selenium Se Powder

Formula: Se

MILFY: 99.9% - 99.999%

Nā Palapala No: 7782-49-2

Nā hiʻohiʻona:ʻeleʻeleʻeleʻele

Nā'āpana'āpana: 200 Mesh


Huahana kikoʻipiop

Nā Kūlana Huakaʻi

ʻO ka wehewehe piha

ʻO Amorpros Foowder, e lilo iʻeleʻele ma ke kūʻana a me ke kākāʻana ma keʻano; E hoʻomākaukauʻia nāʻano Vitreous a me ke kolamu.

ʻO Amorpous Forftens i 40 ° C a me Melts ma 217 ° C. Hikiʻole ke loaʻa i kona kūlana maʻamau ma keʻano, a iʻole e like me nā mea hoʻohui o nā meaʻala.

Kaoaohai

KOMOHANA:
Se
Kālā
7782-49-2
Helu helu:
34
Kaupaona atomi:
78.96
Kaumaha:
4.79 gm / cc
Melting point:
217 OC
Ka umauma:
684.9 OC
Ka Ho'ōla O ke Kani:
0.,00519 w / cm / k @ @ _8.2 K
ʻO ke kumu o ka uila:
106 microhm-cm @ 0 oc
ʻO ke electronegativity:
2.4ʻO nā poina
ʻO ka wela kūikawā:
0.767 cal / g / k @ 25 oc
ʻO ka wela o ka vaporization:
3.34 K-Cal / Gm Atom ma 684.9 oC
ʻO ka wela o ka wela:
1.22 cal / gm mole

 

Noi

1 Nā Hana Kūʻai: Selenium (I) Chloropide, Selenium Dichirin, Salani

2ʻepekemaʻepekema kiʻekiʻe

3 Eledanics: Semiconductors, Electropositive metals, testraylenim titerratride.

4 chemistry: Selenols, Selenim ISotope, plastics, photosc.

5 ka hanaʻoihana: ka hana o ke aniani, hanaʻo Sylenium Drum, Electrostatic Photod, Optertics.

ʻO kā mākou pono

Rare-ka-scandium-oxide-me-nui-nui-uku-2

Lawelawe hiki iā mākou ke hāʻawi

1) Hiki ke kau inoaʻia ka aelike hana

2) Hiki ke hoʻopaʻa inoaʻia kaʻaeʻana

3)ʻehiku mau lā hoihoi hoihoi

ʻOi aku ka mea nui: hiki iā mākou ke hāʻawi i nā huahana wale nō, akāʻo ka lawelawe'ōnaehanaʻenehana!

FAQ

Ke hana nei a kālepa paha?

ʻO mākou he mea hana, aia kā mākou huahana me Shandong, akā hiki iā mākou ke hāʻawi i kahi hana kūʻai noʻoe!

Pūnaehana Kūlana

T / t (Telex Ka Hoʻonaʻauao)

Ka manawa o waena o ka hoʻomaka a i ka wā pau

≤22kg: i loko oʻekolu mau lā hana ma hope o ka loaʻaʻana o ka uku. > 25KG: hoʻokahi pule

Kōkuhi

Loaʻa, hiki iā mākou ke hāʻawi i nā hiʻohiʻona liʻiliʻi liʻiliʻi no ka loiloi loiloi maikaʻi!

PAKAI

1kg perʻekeʻeke frrps, 25kg a iʻole 50kg no laila ka pahu, a iʻole e like me kāu e koi ai.

Huanui

E mālama paʻa i ka pahu pahu i paniʻia ma kahi wahi maloʻo maloʻo a maikaʻi hoʻi.

  • MAUI:
  • Akahi:

    • Nā Hua'ōlelo e pili ana