English
Hāʻawi ka hale hana i ka pauka Selenium / Pellets / Beads / Se Granules me ke kumu kūʻai maikaʻi loa
  • Hāʻawi ka hale hana i ka pauka Selenium / Pellets / Beads / Se Granules me ke kumukūʻai maikaʻi loa
  • Hāʻawi ka hale hana i ka pauka Selenium / Pellets / Beads / Se Granules me ke kumukūʻai maikaʻi loa
  • Hāʻawi ka hale hana i ka pauka Selenium / Pellets / Beads / Se Granules me ke kumukūʻai maikaʻi loa

Hāʻawi ka hale hana i ka pauka Selenium / Pellets / Beads / Se Granules me ke kumukūʻai maikaʻi loa

ʻO ka wehewehe pōkole:

inoa huahana: Selenium Se

Kumu: Se

Maʻemaʻe: 99.9%- 99.9999%

Ka helu helu: 7782-49-2

ʻO ke ʻano: ka pauka a i ʻole granules

Nui ʻāpana: 200 mesh, 2-5mm, etc

Brand: Epoch-Chem


Huahana Huahana

Huahana Huahana

Hoʻolauna pōkole

1. inoa huahana:Selenium Se
2. Kumu: Se
3. Maʻemaʻe: 99.9%- 99.9999%
4. Ka helu helu: 7782-49-2
5. Nānā: ka pauka a iʻole nā ​​granules
6. Ka nui o ka ʻāpana: 200 mesh, 2-5mm, etc
7. Brand: Epoch-Chem

Ke ano.

ʻO ka pauka ʻulaʻula amorphous, lilo i ʻeleʻele i ke kū ʻana a me ka crystalline i ka wela;Hiki ke hoʻomākaukau ʻia nā ʻano vitreous a me colloidal.
Hoʻopalupalu ke ʻano Amorphous ma 40 °C a hoʻoheheʻe ʻia ma 217 °C.ʻAʻole hiki ke loaʻa ma kona kūlana elemental ma ke ʻano, a i ʻole ma ke ʻano he ʻano huila maʻemaʻe.

Palapala noi

1 Hana ʻia: selenium(I) chlorid, Selenium dichloride, Selenides, mercury selenide.
2 ʻOihana ʻenehana kiʻekiʻe ʻepekema: lead selenide, zinc selenide, copper indium gallium diselenide.
3 Uila: Semiconductor, metala electropositive, Tetraselenium tetranitride.
4 Kemika: Selenols, selenium isotope, Plastics, hoʻolaha kiʻi.
5 Ke noi ʻoihana: Ka hana aniani, pahu selenium, kiʻi electrostatic, mea hana ʻike.

Hōʻike
hōʻailona:
Se
CAS
7782-49-2
Helu ʻAtoma:
34
Kaumaha ʻAtoma:
78.96
ʻO ka mānoanoa:
4.79 gm/cc
Lae hehee:
217 oC
Lae paila:
684.9 oC
ʻO ka wela wela:
0.00519 W/cm/K @ 298.2 K
Ke kū'ē uila:
106 microhm-cm @ 0 oC
Electronegativity:
2.4 Paulings
Wela Kūikawā:
0.767 Cal/g/K @ 25 oC
Wela o ka mahu:
3.34 K-cal/gm atom ma 684.9 oC
Wela o ka hui ʻana:
1.22 Cal/gm mole
Brand
Epoch-Chem
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Hoʻolauna Hui

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Hoʻokipa mākou i nā mea kūʻai mai ke ao holoʻokoʻa e kipa i kā mākou hale hana a hoʻokumu i kahi hui maikaʻi!

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Ua hala kā mākou hui i ka ʻōnaehana hoʻokele o ISO 9001, a loaʻa iā mākou kā mākou ʻōnaehana SOP no ka hana ʻana, kūʻai aku, a ma hope o ka lawelawe kūʻai!Manaʻolana hiki iā mākou ke hāʻawi i kahi lawelawe maikaʻi a ʻoihana no ʻoe!
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FAQ
1) Hana ʻoe a kālepa paha?

He mea hana mākou, aia kā mākou hale hana ma Shandong, akā hiki iā mākou ke hāʻawi i kahi lawelawe kūʻai kūʻai hoʻokahi no ʻoe!
2) Nā huaʻōlelo uku: T / T (telex transfer), Western Union, MoneyGram, BTC (bitcoin), etc.3) Lead time≤25kg: i loko o ʻekolu mau lā hana ma hope o ka loaʻa ʻana o ka uku.＞25kg: hoʻokahi pule
4) SampleAvailable, hiki iā mākou ke hāʻawi i nā mea liʻiliʻi liʻiliʻi liʻiliʻi no ka loiloi maikaʻi! 5) Package1kg no kēlā me kēia ʻeke fpr samples,

25kg a i ʻole 50kg no ka pahu, a i ʻole e like me kāu e koi ai.6)StorageStore e paʻa paʻa i ka pahu ma kahi maloʻo, ʻoluʻolu a maikaʻi.

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