{{위키데이터 속성 추적}}
{{chembox
| Verifiedfields = changed
| Watchedfields  = changed
| verifiedrevid  = 455355846
| Name           = 
| ImageFile      = Ag2S-bas.png
| ImageSize      = 160px
| ImageName      = Ball-and-stick model of silver sulfide
| ImageFile1     = Sulfid stříbrný.PNG
| ImageSize1     = 
| ImageName1     = Sample of silver sulfide
| IUPACName      = Silver(I) sulfide
| OtherNames     = Silver sulfide <br/> Argentous sulfide
| SystematicName = 
| Section1       = {{Chembox Identifiers
| Abbreviations =
| CASNo = 21548-73-2
| CASNo_Ref = {{cascite|correct|CAS}}
| EC_number = 244-438-2
| PubChem = 166738
| RTECS =
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 145878
| UNII = 9ZB10YHC1C
| UNII_Ref = {{fdacite|changed|FDA}}
| SMILES = [S-2].[Ag+].[Ag+]
| StdInChI = 1S/2Ag.S/q2*+1;-2
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = XUARKZBEFFVFRG-UHFFFAOYSA-N
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
 }}
| Section2       = {{Chembox Properties
| Ag=2 | S=1
| Appearance = Grayish-blackish crystal
| Odor = Odorless
| Density = 7.234 g/cm<sup>3</sup> (25&nbsp;°C)<ref name=crc /><ref name="sigma" /><br> 7.12 g/cm<sup>3</sup> (117&nbsp;°C)<ref name=hpp />
| MeltingPtC = 836
| MeltingPt_ref =<ref name=crc>{{CRC90}}</ref>
| Solubility = 6.21·10<sup>−15</sup> g/L (25&nbsp;°C)
| SolubleOther = Soluble in aq. [[hydrogen cyanide|HCN]], aq. [[citric acid]] with [[potassium nitrate|KNO<sub>3</sub>]]<br> Insoluble in [[acid]]s, [[alkali]]es, aqueous [[ammonium]]s<ref name=doc00>{{서적 인용|page = [https://archive.org/details/in.ernet.dli.2015.171090/page/n861 835]|title = A Dictionary of Chemical Solubilities: Inorganic|url = https://archive.org/details/in.ernet.dli.2015.171090|edition = 2nd|first1 = Arthur Messinger|last1 = Comey|first2 = Dorothy A.|last2 = Hahn|place = New York|publisher = The MacMillan Company|date = February 1921}}</ref>
| SolubilityProduct = 6.31·10<sup>−50</sup>
 }}
| Section3       = {{Chembox Structure
| CrystalStruct = [[cubic crystal system|Cubic]], cI8 (α-form) <br>  [[monoclinic crystal system|Monoclinic]], [[pearson symbol|mP12]] (β-form)<br> Cubic, cF12 (γ-form)<ref name=hpp>{{서적 인용|url = https://books.google.com/books?id=uo8wVw9Gq7wC&pg=PA13|title = High Pressure Phase Transformations: A Handbook|volume = 1|first = E. Yu|last = Tonkov|publisher = Gordon and Breach Science Publishers|year = 1992|isbn = 978-2-88124-761-3|page = 13}}</ref><ref name="spring">{{서적 인용|doi = 10.1007/10681727_86|pages = 1–4|year = 1998|isbn = 978-3-540-31360-1|volume = 41C|publisher = Springer Berlin Heidelberg|chapter-url = https://link.springer.com/static-content/lookinside/996/chp%253A10.1007%252F10681727_86/000.png|title = Non-Tetrahedrally Bonded Elements and Binary Compounds I|series = Landolt-Börnstein - Group III Condensed Matter|chapter = Silver sulfide (Ag2S) crystal structure}}</ref>
| SpaceGroup = Im{{overline|3}}m, No. 229 (α-form)<ref name=spring /><br> P2<sub>1</sub>/n, No. 14 (β-form)<br> Fm{{overline|3}}m, No. 225 (γ-form)<ref name=hpp />
| PointGroup = 2/m (α-form)<ref name=spring /><br> 4/m {{overline|3}} 2/m (β-form, γ-form)<ref name=hpp />
| LattConst_a = 4.23&nbsp;Å
| LattConst_b = 6.91&nbsp;Å
| LattConst_c = 7.87&nbsp;Å (α-form)<ref name=spring />
| LattConst_beta = 99.583
| Coordination = 
 }}
| Section4       = {{Chembox Thermochemistry
| DeltaHf = −32.59 kJ/mol<ref name=pphoic>{{서적 인용|last = Pradyot|first = Patnaik|year = 2003|title = Handbook of Inorganic Chemicals|publisher = The McGraw-Hill Companies, Inc.|isbn = 978-0-07-049439-8|page = 845}}</ref>
| DeltaGf = −40.71 kJ/mol<ref name=pphoic />
| Entropy = 143.93 J/mol·K<ref name=pphoic />
| HeatCapacity = 76.57 J/mol·K<ref name=pphoic />
 }}
| Section5       = 
| Section6       = 
| Section7       = {{Chembox Hazards
| MainHazards = May cause irritation
| GHSPictograms = {{GHS07}}<ref name="sigma">{{Sigma-Aldrich| id=241474 |name=Silver sulfide|accessdate=2014-07-13}}</ref>
| GHSSignalWord = Warning
| HPhrases = {{H-phrases|315|319|335}}<ref name="sigma" />
| PPhrases = {{P-phrases|261|305+351+338}}<ref name="sigma" />
| NFPA-H = 0
| NFPA-F = 0
| NFPA-R = 0
| NFPA_ref =<ref name=slm2>{{웹 인용|url = http://www.saltlakemetals.com/MSDS_Silver_Sulfide.htm|title = MSDS of Silver Sulfide|website = saltlakemetals.com|publisher = Salt Lake Metals|access-date = 2014-07-13|place = Utah, USA|archive-date = 2014-08-10|archive-url = https://web.archive.org/web/20140810063028/http://www.saltlakemetals.com/MSDS_Silver_Sulfide.htm|url-status = dead}}</ref>
| LD50 = 
 }}
}}
'''황화은'''(Silver sulfide)은 화학식 Ag<sub>2</sub>S를 갖는 무기 화합물이다. 짙은 검정색 고체로 은의 유일한 황화물이다. 사진의 감광제로 유용하다. 이는 은제품 및 기타 은제품에 시간이 지남에 따라 형성되는 변색을 구성한다. 황화은은 대부분의 용매에 용해되지 않지만 강산에 의해 분해된다. 황화은은 은(전기음성도 1.98)과 황(전기음성도 2.58)으로 구성된 네트워크 고체로, 결합의 이온 특성이 약 10%이다.

== 각주 ==
{{각주}}

== 외부 링크 ==
* [http://www.vam.ac.uk/content/journals/conservation-journal/issue-18/tarnishing-of-silver-a-short-review/ Tarnishing of Silver: A Short Review] V&A Conservation Journal
* [https://nepp.nasa.gov/whisker/other_whisker/silver/index.htm Images of silver whiskers] NASA

{{전거 통제}}

[[분류:황화물]]
[[분류:은 화합물]]
[[분류:반도체]]