Alumina: berrikuspenen arteko aldeak
Ezabatutako edukia Gehitutako edukia
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{{chembox |
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| verifiedrevid = 477315061 |
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| Name = Alumina<br>(Aluminio oxido) |
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| ImageFile = Corundum-3D-balls.png |
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| ImageSize = 250 |
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| ImageFile2 = Aluminium_oxide2.jpg |
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| OtherNames = |
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| IUPACName = |
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| SystematicName = |
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| Section1 = {{Chembox Identifiers |
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| UNII_Ref = {{fdacite|correct|FDA}} |
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| UNII = LMI26O6933 |
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| InChI = 1/2Al.3O/q2*+3;3*-2 |
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| SMILES = [Al+3].[Al+3].[O-2].[O-2].[O-2] |
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| InChIKey = PNEYBMLMFCGWSK-UHFFFAOYAC |
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| PubChem = 9989226 |
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| SMILES1 = [O-2].[O-2].[O-2].[Al+3].[Al+3] |
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| StdInChI_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChI = 1S/2Al.3O/q2*+3;3*-2 |
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChIKey = PNEYBMLMFCGWSK-UHFFFAOYSA-N |
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| CASNo_Ref = {{cascite|correct|CAS}} |
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| CASNo = 1344-28-1 |
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| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
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| ChemSpiderID=8164808 |
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| RTECS = BD120000 |
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}} |
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| Section2 = {{Chembox Properties |
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| Al=2 | O=3 |
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| Appearance = solido zuri |
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| Odor = usaingabea |
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| Density =3.987g/cm<sup>3</sup> |
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| Solubility = disolbaezina |
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| SolubleOther = [[dietil eter]]rean disolbaezina <br/> [[etanol]]en ia disolbaezina |
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| MeltingPtC = 2072 |
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| MeltingPt_ref=<ref>{{erreferentzia| abizena = Patnaik |izena= P. |izenburua =Handbook of Inorganic Chemicals| argitaletxea = McGraw-Hill| urtea = 2002| isbn = 978-0-07-049439-8}}</ref> |
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| BoilingPtC = 2977 |
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| BoilingPt_ref=<ref>{{erreferentzia| egilea1=Raymond C. Rowe |egilea2=Paul J. Sheskey |egilea3=Marian E. Quinn | izenburua=Handbook of Pharmaceutical Excipients |urtea=2009 |orrialdea = 11–12 |argitaletxea=Pharmaceutical Press |isbn=978-0-85369-792-3}}</ref> |
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| ThermalConductivity = 30 W·m<sup>−1</sup>·K<sup>−1</sup><ref name="properties"/> |
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| RefractIndex = n<sub>ω</sub>=1.768–1.772 <br>n<sub>ε</sub>=1.760–1.763 <br> [[Birrefringentzi]]a 0.008 |
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| MagSus = −37.0×10<sup>−6</sup> cm<sup>3</sup>/mol |
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| LogP =0.31860<ref name="chemsrc">{{erreferentzia|url=https://www.chemsrc.com/en/cas/1344-28-1_177878.html|izenburua=Aluminum oxide_msds}}</ref> |
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}} |
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| Section3 = {{Chembox Structure |
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| CrystalStruct = [[Trigonal]], hR30, espazio talde = R{{overline|3}}c, No. 167 |
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| Coordination = [[oktahedral]] |
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| LattConst_a = 478.5 pm |
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| LattConst_c = 1299.1 pm |
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}} |
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| Section4 = |
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| Section5 = {{Chembox Thermochemistry |
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| DeltaHf = −1675.7 kJ/mol<ref name=b1>{{erreferentzia| abizena = Zumdahl |izena= Steven S.|izenburua =Chemical Principles 6th Ed.| argitaletxea = Houghton Mifflin Company| urtea = 2009| isbn = 978-0-618-94690-7}}</ref> |
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| Entropy = 50.92 J·mol<sup>−1</sup>·K<sup>−1</sup><ref name=b1/> |
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}} |
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| Section6 = {{Chembox Pharmacology |
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| ATCCode_prefix = D10 |
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| ATCCode_suffix = AX04 |
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}} |
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| Section7 = {{Chembox Hazards |
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| PEL = OSHA 15 mg/m<sup>3</sup> (hautsa)<br/>OSHA 5 mg/m<sup>3</sup> (arnasgarria)<br/>ACGIH/TLV 10 mg/m<sup>3</sup> |
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| EUClass = ez dago zerrendan |
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| FlashPt = sukoi |
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| NFPA-H = 1|NFPA-F = 0|NFPA-R = 0 |
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| REL = none<ref name=NIOSH/> |
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| IDLH = N.D.<ref name=NIOSH>{{PGCH|0021}}</ref> |
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}} |
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| Section8 = {{Chembox Related |
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| OtherAnions = [[aluminio hidroxido]] |
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| OtherCations = [[boron trioxido]]<br/>[[galio oxido]]<br/>[[indio oxido]]<br/>[[talio oxido]]}} |
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}} |
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'''Alumina''' [[aluminio]] [[Oxido|oxidoa da]] (Al <sub>2</sub> O <sub>3</sub> ). [[Silizio dioxido|Silizea]] eta alumina dira [[buztin]] eta [[Esmalte|esmalteen]] osagai garrantzitsuenak. |
'''Alumina''' [[aluminio]] [[Oxido|oxidoa da]] (Al <sub>2</sub> O <sub>3</sub> ). [[Silizio dioxido|Silizea]] eta alumina dira [[buztin]] eta [[Esmalte|esmalteen]] osagai garrantzitsuenak. |
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Aluminio industria primarioak, aluminioa sortzeko aluminia erabiltzen du oinarrizko [[Lehengai|lehengaia]] modura. |
Aluminio industria primarioak, aluminioa sortzeko aluminia erabiltzen du oinarrizko [[Lehengai|lehengaia]] modura. |
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== Erreferentziak == |
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<references group=""></references> |
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{{erreferentzia_zerrenda}} |
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{{Kimika zirriborroa}} |
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[[Kategoria:Aluminiodun konposatuak]] |
[[Kategoria:Aluminiodun konposatuak]] |
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[[Kategoria:Oxidoak]] |
[[Kategoria:Oxidoak]] |
16:19, 22 apirila 2019ko berrikusketa
Identifikadoreak | |
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CAS zenbakia | 1344-28-1 |
PubChem | 9989226 |
ChemSpider | 8164808 |
UNII | LMI26O6933 |
RTECS zbka. | BD120000 |
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Propietateak | |
Formula molekularra | Al2O3 |
Masa molarra | 101.96 g mol−1 |
Itxura | solido zuri |
Usaina | usaingabea |
Dentsitatea | 3.987g/cm3 |
Fusio puntua |
2072 °C, 2345 K, 3762 °F |
Irakite-puntua |
2977 °C, 3250 K, 5391 °F |
Disolbagarritasuna uretan | disolbaezina |
Disolbagarritasuna | dietil eterrean disolbaezina etanolen ia disolbaezina |
log P | 0.31860[2] |
−37.0×10−6 cm3/mol | |
Konduktibitate termala | 30 W·m−1·K−1[1] |
Errefrakzio indizea (nD) | nω=1.768–1.772 nε=1.760–1.763 Birrefringentzia 0.008 |
Egitura | |
Egitura kristalinoa | Trigonal, hR30, espazio talde = R3c, No. 167 |
Sare parametroa | a = 478.5 pm, c = 1299.1 pm |
Koordinazio geometria | oktahedral |
Termokimika | |
Formazio entalpia estandarra ΔfH |
−1675.7 kJ/mol[3] |
Entropia molar Estandar S |
50.92 J·mol−1·K−1[3] |
Arriskuak | |
EB sailkapena | ez dago zerrendan |
NFPA 704 | |
Flash puntua | sukoi |
Esposizio denbora AEBtan | OSHA 15 mg/m3 (hautsa) OSHA 5 mg/m3 (arnasgarria) ACGIH/TLV 10 mg/m3 |
Harremana duten konposatuak | |
Beste anioi batzuk | aluminio hidroxido |
Beste katioiak | boron trioxido galio oxido indio oxido talio oxido |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Txantiloi:Chembox Footer/trackingTxantiloi:Short description
Alumina aluminio oxidoa da (Al 2 O 3 ). Silizea eta alumina dira buztin eta esmalteen osagai garrantzitsuenak.
Aluminioa baino gogorragoa da, eta urtze-puntua 2,072 °C (2,345 K) du, aluminioak ordea 660 °C (933 K) aldean.
Propietateak
- Dentsitatea : 3,96-4,05 g / cm³.
- Vickers gogortasuna : 1500-1650 kgf mm².
- Elastikotasun modulua : 300-400 GPa.
Aplikazioak
Aluminio industria primarioak, aluminioa sortzeko aluminia erabiltzen du oinarrizko lehengaia modura.
Erreferentziak
- ↑ Aipuaren errorea: Konpondu beharreko erreferentzia kodea dago orri honetan:
ez da testurik eman
properties
izeneko erreferentziarako - ↑ Aluminum oxide_msds. .
- ↑ a b Zumdahl, Steven S.. (2009). Chemical Principles 6th Ed.. Houghton Mifflin Company ISBN 978-0-618-94690-7..
Artikulu hau kimikari buruzko zirriborroa da. Wikipedia lagun dezakezu edukia osatuz. |