ကျောက်သလင်း: တည်းဖြတ်မှု မူကွဲများ

၃၀၉၀ ဘိုက် ပေါင်းထည့်ခဲ့သည် ,  ပြီးခဲ့သည့် ၃ နှစ်
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{{Chembox
'''ကျောက်သလင်း''' {{Silicon dioxide}}
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 476993639
| Name =
| ImageFile =
| ImageFile1 = Sample of silicon dioxide.jpg
| ImageCaption1 =
| ImageFile1_Ref = {{Chemboximage|correct|??}}
| ImageNameR1 = A sample of silicon dioxide as sand in a dune
| ImageCaptionR1 = Silicon dioxide as sand
| IUPACName = Silicon dioxide
| OtherNames = Quartz<br />
Silica<br />
Silicic oxide<br />
Silicon(IV) oxide<br />
Crystalline silica<br />
Pure Silica<br />
Silicea
| SystematicName =
| Section1 = {{Chembox Identifiers
| CASNo = 7631-86-9
| CASNo_Ref = {{cascite|correct|CAS}}
| PubChem = 24261
| ChemSpiderID = 22683
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| UNII = ETJ7Z6XBU4
| UNII_Ref = {{fdacite|correct|FDA}}
| EINECS = 231-545-4
| KEGG = C16459
| KEGG_Ref = {{keggcite|changed|kegg}}
| MeSHName = Silicon+dioxide
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 30563
| RTECS = VV7565000
| Gmelin = 200274
| SMILES =
| StdInChI = 1S/O2Si/c1-3-2
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = VYPSYNLAJGMNEJ-UHFFFAOYSA-N
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
}}
| Section2 = {{Chembox Properties
| Formula =SiO<sub>2</sub>
| MolarMass = 60.08 g/mol
| Appearance = Transparent solid (Amorphous) White/Whitish Yellow (Powder/Sand)
| Density = 2.648 (α-quartz), 2.196 (amorphous) g·cm<sup>−3</sup><ref name=b92>{{RubberBible92nd}}</ref>
| MeltingPtC = 1713
| MeltingPt_notes = (amorphous)<ref name=b92/>{{rp|page=4.88}} to
| BoilingPtC = 2950
| BoilingPt_ref = <ref name=b92/>
| Solubility =
| RefractIndex = 1.544 ([[:en:Birefringence|o]]), 1.553 (e)<ref name=b92/>{{rp|page=4.143}}
| ThermalConductivity = 12 (<nowiki>||</nowiki> c-axis), 6.8 (⊥ c-axis), 1.4 (am.) W/(m⋅K)<ref name=b92/>{{rp|page=12.213}}
| MagSus = &minus;29.6·10<sup>−6</sup> cm<sup>3</sup>/mol
}}
| Section3 = {{Chembox Hazards
| MainHazards =
| NFPA-H = 0
| NFPA-F = 0
| NFPA-R = 0
| IDLH = 3000 mg/m<sup>3</sup> (amorphous)<ref name=PGCH0552>{{PGCH|0552}}</ref><br/>Ca [25 mg/m<sup>3</sup> (cristobalite, tridymite); 50 mg/m<sup>3</sup> (quartz)]<ref name=PGCH0682>{{PGCH|0682}}</ref>
| REL = TWA 6 mg/m<sup>3</sup> (amorphous)<ref name=PGCH0552/><br/>Ca TWA 0.05 mg/m<sup>3</sup><ref name=PGCH0682/>
| PEL = TWA 20 mppcf (80 mg/m<sup>3</sup>/%SiO<sub>2</sub>) (amorphous)<ref name=PGCH0552/>
}}
| Section4 = {{Chembox Related
| OtherFunction_label = diones
| OtherFunction = [[ကာဗွန်ဒိုင်အောက်ဆိုဒ်]]<br />
Germanium dioxide<br />
Tin dioxide<br />
Lead dioxide
| OtherCompounds = [[ဆီလီကွန် မိုနောက်ဆိုဒ် />
[[ဆီလီကွန် ဆာလဖိတ်]]
}}
| Section5 = {{Chembox Thermochemistry
| DeltaHf = −911&nbsp;kJ·mol<sup>−1</sup><ref name=b1>{{cite book| author = Zumdahl, Steven S.|title =Chemical Principles 6th Ed.| publisher = Houghton Mifflin Company| year = 2009| isbn = 978-0-618-94690-7|page=A22}}</ref>
| Entropy = 42&nbsp;J·mol<sup>−1</sup>·K<sup>−1</sup><ref name=b1/>
}}
| Section6 =
}}
'''ကျောက်သလင်း''' {{(Silicon dioxide}})
သည် အတွေ့ရများသော တွင်းထွက်
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