Cas 7782-49-42-2 ga mimọ 99.9% -99.999% selenium se lulú tabi idiyele granules

Cas 7782-49-42-2 ga mimọ 99.9% -99.999% selenium S lulú tabi awọn granles idiyele idiyele ẹya apẹrẹ
  • Cas 7782-49-42-2 ga mimọ 99.9% -99.999% selenium se lulú tabi idiyele granules
  • Cas 7782-49-42-2 ga mimọ 99.9% -99.999% selenium se lulú tabi idiyele granules
  • Cas 7782-49-42-2 ga mimọ 99.9% -99.999% selenium se lulú tabi idiyele granules

Apejuwe kukuru:

Orukọ ọja: Selenium Sati lulú

Agbekalẹ: Se

Mimọ: 99.9% - 99.999%

Cas ko: 7782-49-2

Irisi: Dudu lulú

Iwọn patiku: 200 apapo


Awọn alaye ọja

Awọn aami ọja

Apejuwe Ọja

Amorphous pupa lulú, di dudu lori duro ati kirisita lori alapapo; Awọn fọọmu ti o lagbara ati awọn fọọmu colloidal le wa ni pese.

Amorphous fọọmu si sonu ni 40 ° C yoo yọ ni 217 ° C. O ṣọwọn waye ninu ipo ti o jẹ ipin ni iseda, tabi bi awọn iṣiro kikun.

Alaye

Ami:
Se
Cas
7782-49-2
Nọmba atomiki:
34
Iwuwo atomiki:
78.96
Iwuwo:
4.79 GM / CC
Ojuafin yo:
217 Oc
Dbomidi:
684.9 OC
Aṣiṣe igbona:
0.00519 W / cm / K @ 298.2 K
Electrical traxical:
106 microhm-cm @ 0 OC
Electronegatation:
2.4 Paunings
Ooru pato:
0.767 Cal / G / K @ 25 Oc
Ooru ti vaporization:
3.34 K-Cal / GM Atomu Ni 684.9 OC
Ooru ti isisita:
1.22 cal / GM moolu

 

Ohun elo

1 iṣelọpọ: selenium (i) Chlorid, selenium Dilenium, awọn yiyan, MerCury Seleridi.

Ile-iṣẹ imọ-ẹrọ giga 2: Selen seninide, zinc senade, Inọsi Pallium Islande ti Aṣọ.

3 Ina-ina: awọn imiumponchovers, awọn irin itanna, tetraselelenium tettanitade.

4 kelogun: selenols, selenium itope, pilasitis, ifihan aworan aworan.

5 Ohun elo ile-iṣẹ: Ṣiṣe Gilasi, Ilu Asenium, ohun elo opitical.

Awọn anfani wa

Toje-Earth-scdinum-hixe-pẹlu-owo-owo-2

Iṣẹ ti a le pese

1) iwe adehun ti o lowo le fowo si

2) Adehun Iṣeduro ni a le wọle

3) Aṣeyọri Agbapada igba meje

Pataki ju: A le pese ọja nikan, ṣugbọn iṣẹ ojutu imọ-ẹrọ!

Faak

Ṣe o ṣelọpọ tabi iṣowo?

A jẹ olupese, ile-iṣẹ wa wa ni Shandong, ṣugbọn a tun le pese iṣẹ rira kan fun ọ!

Awọn ofin isanwo

T / t (Gbigbe Telex), Western Union, Accortm, BTC (Bitcoin), bbl

Akoko ju

≤25kg: laarin awọn ọjọ iṣẹ mẹta lẹhin isanwo ti o gba. > 25kg: ọsẹ kan

Apẹẹrẹ

Wa, a le pese awọn ayẹwo ọfẹ ọfẹ fun idi iṣiro didara!

Idi

1kg fun awọn ayẹwo FRP FPR, 25kg tabi 50kg fun ilu, tabi bi o ti beere.

Ibi ipamọ

Tọju eiyan ni wiwọ ni gbigbẹ, itura ati ibi itutu daradara.

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