https://wiki.guldforum.se/w/index.php?action=history&feed=atom&title=Bariumsulfid
Bariumsulfid - Versionshistorik
2026-10-29T04:28:11Z
Versionshistorik för denna sida på wikin
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https://wiki.guldforum.se/w/index.php?title=Bariumsulfid&diff=13129&oldid=prev
Dan Olsson den 3 mars 2013 kl. 19.20
2013-03-03T19:20:47Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Äldre version</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Versionen från 3 mars 2013 kl. 15.20</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Kategori:Bariumföreningar]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Kategori:Bariumföreningar]]</div></td></tr>
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Dan Olsson
https://wiki.guldforum.se/w/index.php?title=Bariumsulfid&diff=10006&oldid=prev
Dan Olsson: 1 version
2013-02-25T00:11:36Z
<p>1 version</p>
<p><b>Ny sida</b></p><div>{{Kemibox<br />
|Vardagligt namn = <br />
|Bild = <br />
|Bildtext = <br />
|Bildbredd = <br />
|Bild2 = <br />
|Bild2text = <br />
|Systematiskt namn = Bariumsulfid<br />
|Övriga namn = ''Bolognasten''<br />
|Kemisk formel = [[Barium|Ba]][[Svavel|S]]<br />
|Utseende = Färglösa kristaller<br />
|CAS-nummer = 21109-95-5<br />
|SMILES = [Ba]=S<br />
|Molmassa = 169,39<br />
|Densitet = 4,25<br />
|LöslighetOrd = [[Hydrolys]]<br />
|LöslighetTemp = <br />
|Smältpunkt = 1200<br />
|Smältextra = sönderfaller<br />
|Kokpunkt = <br />
|Kokextra = <br />
|Huvudfara = {{Farosymbol|Xn}}{{Farosymbol|N}}<br />
|NFPA704 = {{NFPA 704|Hälsa=2|Eldfarlighet=3|Reaktivitet=0|Andra=}}<br />
|LD50 = <br />
|}}<br />
<br />
'''Bariumsulfid''' är en [[kemisk förening]] av [[barium]] och [[svavel]] med [[kemisk formel|formeln]] BaS.<br />
<br />
==Historia==<br />
Upptäckten av bariumsulfid brukar tillskrivas den italienske [[alkemi]]sten ''Vincentius Casciorolus''. År 1602 presenterade han ett [[Luminiscens|fosforescerande]] material för alkemisterna i Bologna som han kallade ''lapis solaris'' och som skulle ha framställts av mineralet [[baryt]] (tungspat).<ref>{{bokref|författare = Johann Beckmann|titel = A history of inventions and discoveries|år = 1846|utgivare = Henry G Bohn|utgivningsort = London|sid = 418–427|kapitel = Bologna Stone}}</ref><br />
<br />
Hur Vincentius gjorde för att reducera [[bariumsulfat]]et i baryt till bariumsulfid är okänt, men drygt hundra år senare framställde den tyske kemisten [[Andreas Sigismund Marggraf]] bariumsulfid genom att hetta upp tungspat och [[mjöl|vetemjöl]].<br />
<br />
==Framställning==<br />
Bariumsulfid framställs genom att [[redox|reducera]] bariumsulfat (BaSO<sub>4</sub>) med kol.<br />
:<math>\rm BaSO_4 + 2\ C \rightarrow BaS + 2\ CO_2</math><br />
<br />
==Se även==<br />
*[[Bariumsulfat]]<br />
*[[Järnsulfid]]<br />
*[[Zinksulfid]]<br />
<br />
==Källor==<br />
<references/><br />
<br />
{{enwp|url=http://en.wikipedia.org/w/index.php?title=Barium_sulfide&oldid=321973722|artikel=Barium sulfide}}<br />
<br />
[[Kategori:Bariumföreningar]]<br />
[[Kategori:Sulfider]]<br />
<br />
[[ar:كبريتيد الباريوم]]<br />
[[ca:Sulfur de bari]]<br />
[[cs:Sulfid barnatý]]<br />
[[de:Bariumsulfid]]<br />
[[en:Barium sulfide]]<br />
[[fa:سولفید باریم]]<br />
[[it:Solfuro di bario]]<br />
[[hu:Bárium-szulfid]]<br />
[[nl:Bariumsulfide]]<br />
[[ja:硫化バリウム]]<br />
[[pt:Sulfeto de bário]]<br />
[[ru:Сульфид бария]]<br />
[[simple:Barium sulfide]]<br />
[[sr:Баријум-сулфид]]<br />
[[uk:Сульфід барію]]<br />
[[zh:硫化钡]]</div>
Dan Olsson