Cas 7782-49-2 high tsarki 99.9% -99.999% Selenium Se foda ko granules farashin

Cas 7782-49-2 babban tsafta 99.9% -99.999% Selenium Se foda ko farashin granules Featured Image
  • Cas 7782-49-2 high tsarki 99.9% -99.999% Selenium Se foda ko granules farashin
  • Cas 7782-49-2 high tsarki 99.9% -99.999% Selenium Se foda ko granules farashin
  • Cas 7782-49-2 high tsarki 99.9% -99.999% Selenium Se foda ko granules farashin

Takaitaccen Bayani:

Sunan samfurin: Selenium Se foda

Formula: Se

Tsafta: 99.9% - 99.999%

Saukewa: 7782-49-2

Bayyanar: baki foda

Girman barbashi: raga 200


Cikakken Bayani

Tags samfurin

Bayanin Samfura

Amorphous ja foda, zama baki a tsaye da crystalline a kan dumama;Za a iya shirya siffofin vitreous da colloidal.

Amorphous form yana yin laushi a 40 ° C kuma yana narkewa a 217 ° C.Yana faruwa da kyar a yanayin asalinsa a yanayi, ko azaman mahaɗan tama mai tsafta.

Ƙayyadaddun bayanai

Alama:
Se
CAS
7782-49-2
Lambar Atom:
34
Nauyin Atom:
78.96
Yawan yawa:
4.79 gm/c
Wurin narkewa:
217 oc
Wurin tafasa:
684.9 oc
Ƙarfafa Ƙarfafawa:
0.00519 W/cm/K @ 298.2 K
Juriya na Lantarki:
106 microhm-cm @ 0 oC
Electronegativity:
2.4 Pauling
Takamaiman Zafi:
0.767 Cal/g/K @ 25 oC
Zafin Vaporization:
3.34 K-cal/gm atom a 684.9 oC
Zafin Fusion:
1.22 Cal/gm mole

 

Aikace-aikace

1 Manufacturing: selenium (I) chlorid, Selenium dichloride, selenides, mercury selenide.

2 Masana'antar fasaha ta kimiyya: gubar selenide, zinc selenide, jan karfe indium gallium diselenide.

3 Electric: Semiconductors, Electropositive karafa, Tetraselenium tetranitride.

4 Chemistry: Selenols, selenium isotoppe, Filastik, daukar hoto.

5 Aikace-aikacen masana'antu: Gilashin Gilashin, ganga na selenium, hoto na lantarki, kayan aikin gani.

Amfaninmu

Rare-ƙasa-scandium-oxide-tare da-darashi-2

Sabis za mu iya bayarwa

1) Ana iya sanya hannu kan kwangilar hukuma

2) Ana iya sanya hannu kan yarjejeniyar sirri

3) Garanti na dawowar kwana bakwai

Mafi mahimmanci: za mu iya samar da ba kawai samfurin ba, amma sabis na mafita na fasaha!

FAQ

Shin kuna sana'a ko kasuwanci?

Mu masana'anta ne, masana'antar mu tana cikin Shandong, amma kuma muna iya ba ku sabis tasha tasha ɗaya!

Sharuɗɗan biyan kuɗi

T/T (canja wurin telex), Western Union, MoneyGram, BTC (bitcoin), da dai sauransu.

Lokacin jagora

≤25kg: a cikin kwanaki uku na aiki bayan an biya biya.· 25kg: sati daya

Misali

Akwai, za mu iya samar da ƙananan samfurori na kyauta don ƙimar ƙima mai kyau!

Kunshin

1kg a kowace jaka fpr samfurori, 25kg ko 50kg da drum, ko kamar yadda kuke bukata.

Adanawa

Ajiye kwandon a rufe sosai a cikin busasshen wuri mai sanyi kuma mai cike da iska.

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