Sng-hòa a-lú-mih

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Sng-hòa a-lú-mih
Corundum-3D-balls.png
Aluminium oxide2.jpg
Sek-pia̍t-hō
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.014.265
RTECS number BD120000
UNII
Sèng-chit
Al2O3
Mole chit-liōng 101.96 g·mol−1
Gōa-māu pe̍h-sek kò͘-thé
Khì-bī bô-bī
Bi̍t-tō͘ 3.987g/cm3
Iûⁿ-tiám 2,072 °C (3,762 °F; 2,345 K)[1]
Hut-tiám 2,977 °C (5,391 °F; 3,250 K)[2]
bē-iûⁿ-kái
Iûⁿ-kái-tō͘ diethyl ether ni̍h bē-iûn-kái
ethanol ni̍h si̍t-ēng-siōng bē-iûⁿ-kái
log P 0.31860[3]
−37.0×10−6 cm3/mol
Jia̍t thoân-tó-lu̍t 30 W·m−1·K−1[4]
nω=1.768–1.772
nε=1.760–1.763
Birefringence 0.008
Kò͘-chō
Trigonal, hR30, space group = R3c, No. 167
a = 478.5 pm, c = 1299.1 pm
octahedral
Jia̍t-hòa-ha̍k
50.92 J·mol−1·K−1[5]
−1675.7 kJ/mol[5]
Io̍h-lí-ha̍k
D10AX04 (WHO)
Gûi-hiám
Bô khai-lia̍t
NFPA 704
Flammability code 0: Will not burn. E.g., waterHealth code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentineReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
0
1
0
Ín-hóe-tiám Bû-jiân-sèng
Bí-kok kiān-hong pī-pha̍k chè-hān (NIOSH):
PEL (Ē-thong-kòe)
OSHA 15 mg/m3 (Total Dust)
OSHA 5 mg/m3 (Respirable Fraction)
ACGIH/TLV 10 mg/m3
REL (Chhui-chiàn)
[6]
IDLH (Chek-sî gûi-hiám)
N.D.[6]
Koan-liân hòa-ha̍p-bu̍t
Kî-tha im-lî-chú
chúi-sng-hòa a-lú-mih
sam-sng-hòa phêng-sò͘
sng-hòa gallium
sng-hòa indium
sng-hòa thallium
Tû-liáu te̍k-pia̍t chí chhut, chu-liāu sī kun-kù bu̍t-chit ê piau-chún chōng-thài (tī 25 °C [77 °F], 100 kPa).
☑Y cha-chèng (☑Y☒N sī siáⁿ ?)
Infobox chham-chiàu

Sng-hoà a-lú-mih (酸化--) sī kheng-gîn kap sng-sò͘ ê hòa-ha̍p-bu̍t, hòa-ha̍k-sek Al2O3 . Tī khòng-gia̍p, tô-chû, kap châi-liāu kho-ha̍k chia-ê thoân-thé, mā tiāⁿ-tiāⁿ kā kiò-chò alumina.

Sèng-chit[siu-kái | kái goân-sú-bé]

Aluminium oxide in its powdered form.
Hún-lia̍p-á khoán ê sng-hòa a-lú-mih.

Al2O3 sī chi̍t chióng choa̍t-iân-thé, chóng-sī ū siong-tùi khah koân ê jia̍t-thoân-tó-sèng (30 Wm−1K−1).[4]

Chham-chiàu[siu-kái | kái goân-sú-bé]

  1. Patnaik, P. (2002). Handbook of Inorganic Chemicals. McGraw-Hill. ISBN 0-07-049439-8. 
  2. Raymond C. Rowe; Paul J. Sheskey; Marian E. Quinn (2009). "Adipic acid". Handbook of Pharmaceutical Excipients. Pharmaceutical Press. pp. 11–12. ISBN 978-0-85369-792-3. 
  3. "Aluminum oxide_msds". 
  4. 4.0 4.1 Material Properties Data: Alumina (Aluminum Oxide) Archived 2010-04-01 at the Wayback Machine.. Makeitfrom.com. Retrieved on 2013-04-17.
  5. 5.0 5.1 Zumdahl, Steven S. (2009). Chemical Principles 6th Ed. Houghton Mifflin Company. ISBN 0-618-94690-X. 
  6. 6.0 6.1 "NIOSH Pocket Guide to Chemical Hazards #0021". National Institute for Occupational Safety and Health (NIOSH).