Ka tukuna e te wheketere te paura Selenium / Pellets / Beads / Se Granules me te utu pai

Whakaahuatanga Poto:

Ingoa Hua: Selenium Se

Tātai: Se

Maamaa: 99.9%- 99.9999%

No Cas: 7782-49-2

Te ahua: te paura, te granules ranei

Rahi matūriki: 200 mata, 2-5mm, etc

Waitohu: Epoch-Chem


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
Waitohu
Epoch-Chem

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!


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