Cas 7782-49-2 parakore teitei 99.9% -99.999% Selenium Se paura ranei utu granules

Cas 7782-49-2 parakore teitei 99.9% -99.999% Selenium Se paura ranei utu granules Whakaahua Whakaatuhia
  • Cas 7782-49-2 parakore teitei 99.9% -99.999% Selenium Se paura ranei utu granules
  • Cas 7782-49-2 parakore teitei 99.9% -99.999% Selenium Se paura ranei utu granules
  • Cas 7782-49-2 parakore teitei 99.9% -99.999% Selenium Se paura ranei utu granules

Whakaahuatanga Poto:

Ingoa hua: Selenium Se paura

Tātai: Se

Maamaa: 99.9%- 99.999%

No Cas: 7782-49-2

Te ahua: te paura pango

Rahi matūriki: 200 mata


Taipitopito Hua

Tohu Hua

Whakaahuatanga Hua

Te paura whero amorphous, ka mangu ki te tu me te kirikiriata ki te whakamahana;Ka taea te whakarite i nga ahua vitreous me te colloidal.

Ka ngohe te ahua amorphous i te 40 °C ka rewa i te 217 °C.He uaua ka puta i roto i te ahua o te ahua o te ahua, he puhui ore parakore ranei.

Whakatakotoranga

Tohu:
Se
CAS
7782-49-2
Tau ngota:
34
Taumaha ngota:
78.96
Kiato:
4.79 gm/cc
Ira whakarewa:
217 oC
Ira Kohua:
684.9 oC
Kawenga Ngawha:
0.00519 W/cm/K @ 298.2 K
Ātete Hiko:
106 microhm-cm @ 0 oC
Hikohiko:
2.4 Nga Paoro
Wera Tauwhāiti:
0.767 Cal/g/K @ 25 oC
Te wera o te ngohe:
3.34 K-cal/gm ngota i te 684.9 oC
Te wera o te whakakotahitanga:
1.22 Cal/gm mole

 

Taupānga

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

2 Pūtaiao ahumahi hangarau teitei: lead selenide, zinc selenide, parahi indium gallium diselenide.

3 Hiko: Semiconductor, konganuku hiko, Tetraselenium tetranitride.

4 Matū: Selenols, selenium isotope, Kirihou, whakaaturanga whakaahua.

5 Ahumahi tono: Hanga karaihe, pahū selenium, whakaahua hiko, taputapu whatu.

To Tatou Painga

Rare-earth-scandium-oxide-with-great-utu-2

Ratonga ka taea e matou te whakarato

1) Ka taea te haina kirimana ōkawa

2) Ka taea te hainatia te whakaaetanga muna

3) E whitu nga ra whakahoki taurangi

He mea nui ake: ka taea e maatau te whakarato i nga hua anake, engari he ratonga otinga hangarau!

FAQ

He hangahanga, he hokohoko ranei koe?

He kaihanga matou, kei Shandong ta matou wheketere, engari ka taea ano e matou te whakarato ratonga hoko mo koe!

Nga tikanga utu

T/T(whakawhitinga waea), Western Union, MoneyGram, BTC(bitcoin), etc.

Te wa arahi

≤25kg: i roto i nga ra mahi e toru i muri i te whiwhinga utu.＞25kg: kotahi wiki

Tauira

Kei te waatea, ka taea e matou te whakarato tauira iti kore utu mo te kaupapa arotake kounga!

Mōkī

1kg mo ia peeke tauira fpr, 25kg, 50kg ranei mo ia pahū, ki te hiahia ranei koe.

Rokiroki

Whakaorangia te ipu kia kati katia ki tetahi waahi maroke, hauhautanga me te hau pai.

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