<span class="mw-page-title-main">Kaliumcarbonaat</span>

Kaliumcarbonaat

<p><b>Kaliumcarbonaat</b> is een <a href="/nl/Anorganische_verbinding" title="Anorganische verbinding" class="wl">anorganische verbinding</a> van <a href="/nl/Kalium" title="Kalium" class="wl">kalium</a>, met als <a href="/nl/Brutoformule" title="Brutoformule" class="wl">brutoformule</a> K<sub>2</sub>CO<sub>3</sub>. De zuivere stof komt voor als een wit <a href="/nl/Poeder" title="Poeder" class="wl">poeder</a>, dat oplosbaar is in <a href="/nl/Water" title="Water" class="wl">water</a> en daarbij een <a href="/nl/Base_(scheikunde)" title="Base (scheikunde)" class="wl">basische</a> oplossing vormt.</p>

<div class='mobile-collapse'><header class="mobile-collapse-header mobile-collapse-btn"><b>Quick facts: Kaliumcarbonaat, Structuurformule en molecuul...</b> <span class='arrow'>▼</span></header> <table class="infobox mobile-collapse-element" cellpadding="1" cellspacing="1"> 
<tbody><tr><th class="infobox-kop notheme" style="background-color:#DDEEFF;  text-align:center; font-size:120%;" colspan="3">Kaliumcarbonaat</th></tr>
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<th class="infobox-kop notheme" style="background-color:#DDEEFF;  text-align:center;" colspan="3">Structuurformule en molecuulmodel</th></tr>
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<td style="text-align:center; padding:3px 0 3px 0;" colspan="3"><span><a href="/nl/Bestand:Potassium_carbonate.svg" class="mw-file-description image media-thumb" data-hash="Bestand:Potassium_carbonate.svg"><img loading="lazy" alt="Potassium_carbonate.svg" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Potassium_carbonate.svg/200px-Potassium_carbonate.svg.png" decoding="async" data-file-width="350" data-file-height="163" data-file-type="drawing" height="93" width="200" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Potassium_carbonate.svg/300px-Potassium_carbonate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/03/Potassium_carbonate.svg/400px-Potassium_carbonate.svg.png 2x"></a></span></td></tr>
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<td style="text-align:center;" colspan="3"><div style="font-size:90%"><a href="/nl/Structuurformule" title="Structuurformule" class="wl">Structuurformule</a> van watervrij kaliumcarbonaat</div></td></tr>
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<td style="text-align:center; padding:0;" colspan="3"><span><a href="/nl/Bestand:Uhličitan_draselný.JPG" class="mw-file-description image media-thumb" data-hash="Bestand:Uhličitan_draselný.JPG"><img loading="lazy" alt="Uhli%C4%8Ditan_draseln%C3%BD.JPG" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/19/Uhli%C4%8Ditan_draseln%C3%BD.JPG/266px-Uhli%C4%8Ditan_draseln%C3%BD.JPG" decoding="async" data-file-width="640" data-file-height="342" data-file-type="bitmap" height="142" width="266" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/19/Uhli%C4%8Ditan_draseln%C3%BD.JPG/399px-Uhli%C4%8Ditan_draseln%C3%BD.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/19/Uhli%C4%8Ditan_draseln%C3%BD.JPG/532px-Uhli%C4%8Ditan_draseln%C3%BD.JPG 2x"></a></span></td></tr>
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<td style="text-align:center;" colspan="3"><div style="font-size:90%">Kaliumcarbonaatpoeder</div></td></tr>
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<th class="infobox-kop notheme" style="background-color:#DDEEFF;  text-align:center;" colspan="3">Algemeen</th></tr>
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<th><a href="/nl/Molecuulformule" title="Molecuulformule" class="wl">Molecuulformule</a></th>
<td colspan="2">K<sub>2</sub>CO<sub>3</sub></td></tr>
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<th><a href="/nl/IUPAC-nomenclatuur" title="IUPAC-nomenclatuur" class="wl">IUPAC-naam</a></th>
<td colspan="2">kaliumcarbonaat</td></tr>
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<th><a href="/nl/Nomenclatuur" title="Nomenclatuur" class="wl">Andere namen</a></th>
<td colspan="2"><a href="/nl/Potas" title="Potas" class="wl">potas</a>, parelas, dikaliumcarbonaat</td></tr>
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<th><a href="/nl/Molaire_massa" title="Molaire massa" class="wl">Molmassa</a></th>
<td colspan="2">138,2 <a href="/nl/Gram_(eenheid)" title="Gram (eenheid)" class="wl">g</a>/<a href="/nl/Mol_(eenheid)" title="Mol (eenheid)" class="wl">mol</a></td></tr>
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<th><a href="/nl/SMILES" title="SMILES" class="wl">SMILES</a></th>
<td colspan="2"><div style="word-wrap:break-word; width:127px;">C(=O)([O-])[O-].[K+].[K+]</div></td></tr>
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<th><a href="/nl/CAS-nummer" title="CAS-nummer" class="wl">CAS-nummer</a></th>
<td colspan="2"><a rel="mw:ExtLink nofollow" href="https://commonchemistry.cas.org/detail?cas_rn=584-08-7" class="external text" target="_blank">584-08-7</a></td></tr>
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<th><a href="/nl/EG-nummer" title="EG-nummer" class="wl">EG-nummer</a></th>
<td colspan="2"><a rel="mw:ExtLink nofollow" href="http://echa.europa.eu/web/guest/information-on-chemicals/cl-inventory-database/-/cl-inventory/search-clinventory-by-other-identifier/209-529-3" class="external text" target="_blank">209-529-3</a></td></tr>
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<th><a href="/nl/PubChem" title="PubChem" class="wl">PubChem</a></th>
<td colspan="2"><a rel="mw:ExtLink nofollow" href="http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=11430" class="external text" target="_blank">11430</a></td></tr>
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<th>Beschrijving</th>
<td colspan="2">Wit poeder</td></tr>
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<th class="infobox-kop notheme" style="background-color:#DDEEFF; " colspan="3">Waarschuwingen en veiligheidsmaatregelen</th></tr>
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<td class="ta-center" colspan="3"><table align="center" style="background-color:transparent;border-style:none;" class="notheme"><tbody><tr><td style="margin-left:auto;margin-right:auto;vertical-align:top;text-align:center;border-style:none;cell-padding:2px"><span><a href="/nl/Bestand:GHS-pictogram-exclam.svg" class="mw-file-description image media-thumb" title="Schadelijk" data-hash="Bestand:GHS-pictogram-exclam.svg"><img loading="lazy"alt="Schadelijk" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/60px-GHS-pictogram-exclam.svg.png" decoding="async" data-file-width="512" data-file-height="512" data-file-type="drawing" height="60" width="60" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/90px-GHS-pictogram-exclam.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/120px-GHS-pictogram-exclam.svg.png 2x"></a></span></td></tr></tbody></table><b>Waarschuwing</b></td></tr>
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<th><a href="/nl/H-_en_P-zinnen" title="H- en P-zinnen" class="wl">H-zinnen</a></th>
<td colspan="2"><span class="abbr" style="color:blue; border-bottom: 1px dotted blue">H302</span> - <span class="abbr" style="color:blue; border-bottom: 1px dotted blue">H315</span> - <span class="abbr" style="color:blue; border-bottom: 1px dotted blue">H319</span> - <span class="abbr" style="color:blue; border-bottom: 1px dotted blue">H335</span></td></tr>
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<th><span class="nowrap"><a href="/nl/H-_en_P-zinnen" title="H- en P-zinnen" class="wl">EUH-zinnen</a></span></th>
<td colspan="2"><i>geen</i></td></tr>
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<th><a href="/nl/H-_en_P-zinnen" title="H- en P-zinnen" class="wl">P-zinnen</a></th>
<td colspan="2"><span class="abbr" style="color:blue; border-bottom: 1px dotted blue">P261</span> - <span class="abbr" style="color:blue; border-bottom: 1px dotted blue">P305+P351+P338</span></td></tr>
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<th class="infobox-kop notheme" style="background-color:#DDEEFF; " colspan="3">Fysische eigenschappen</th></tr>
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<th><a href="/nl/Aggregatietoestand" title="Aggregatietoestand" class="wl">Aggregatietoestand</a></th>
<td colspan="2">vast</td></tr>
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<th><a href="/nl/Kleur_(hoofdbetekenis)" title="Kleur (hoofdbetekenis)" class="mw-redirect wl">Kleur</a></th>
<td colspan="2">wit</td></tr>
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<th><a href="/nl/Massadichtheid" title="Massadichtheid" class="wl">Dichtheid</a></th>
<td colspan="2">2,29 g/cm³</td></tr>
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<th><a href="/nl/Smeltpunt" title="Smeltpunt" class="wl">Smeltpunt</a></th>
<td colspan="2">891 °C</td></tr>
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<th>Goed oplosbaar in</th>
<td colspan="2">water</td></tr>
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<th>Onoplosbaar in</th>
<td colspan="2">ethanol</td></tr>
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<th class="infobox-kop notheme" style="background-color:#DDEEFF; " colspan="3">Nutritionele eigenschappen</th></tr>
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<th>Type <a href="/nl/Voedingsadditief" title="Voedingsadditief" class="wl">additief</a></th>
<td colspan="2">zuurteregelaar, rijsmiddel, stabilisator</td></tr>
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<th><a href="/nl/E-nummer" title="E-nummer" class="wl">E-nummer</a></th>
<td colspan="2"><a rel="mw:ExtLink nofollow" href="http://www.food-info.net/nl/e/e501.htm" class="external text" target="_blank">E501</a></td></tr>
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<th class="infobox-kop notheme" style="background-color:#DDEEFF; " colspan="3"><small>Tenzij anders vermeld zijn <a href="/nl/Standaardomstandigheden" title="Standaardomstandigheden" class="wl">standaardomstandigheden</a> gebruikt (298,15<span>&nbsp;</span><a href="/nl/Kelvin_(eenheid)" title="Kelvin (eenheid)" class="wl">K</a> of 25 <a href="/nl/Celsius" title="Celsius" class="wl">°C</a>, 1 <a href="/nl/Bar_(druk)" title="Bar (druk)" class="wl">bar</a>).</small></th></tr>
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<td class="infobox-kop center notheme" style="background-color:#DDEEFF; " colspan="3">
<table cellspacing="0" cellpadding="0">
<tbody><tr><td style="vertical-align:middle;"><b>Portaal</b><span>&nbsp;</span> <span class="noviewer"><a href="/nl/Bestand:Portal.svg" class="mw-file-description image wl" title="Portaalicoon"><img loading="lazy"alt="Portaalicoon" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/22px-Portal.svg.png" decoding="async" data-file-width="36" data-file-height="32" data-file-type="drawing" height="20" width="22" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/33px-Portal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/44px-Portal.svg.png 2x"></a></span> <span>&nbsp;</span></td>
<td class="ta-left"><b><a href="/nl/Portaal:Scheikunde" title="Portaal:Scheikunde" class="wl">Scheikunde</a>  </b></td></tr>
</tbody></table></td></tr>


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Kaliumcarbonaat is een anorganische verbinding van kalium, met als brutoformule K2CO3. De zuivere stof komt voor als een wit poeder, dat oplosbaar is in water en daarbij een basische oplossing vormt. 