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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Rubidiumoxid</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><table class="wikitable infobox float-right" id="Vorlage_Infobox_Chemikalie" style="font-size:90%; margin-top:0; width:350px;" summary="Infobox Chemikalie">
<tbody><tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Kristallstruktur
</th></tr>
<tr>
<td colspan="2" class="hintergrundfarbe-basis" style="text-align:center;"><span typeof="mw:File"></span>
</td></tr>
<tr>
<td colspan="2" style="text-align:center; font-size:80%;"><span style="background:#99CC00;border-radius: 12px;color: transparent; width: 12px; line-height:12px;display:inline-block;">_</span> <a href="Rubidium" title="Rubidium">Rb</a><sup>+</sup> <span style="visibility:hidden;">0</span> <span style="background:#C0C0C0;border-radius: 12px;color: transparent; width: 12px; line-height:12px;display:inline-block;">_</span> <a href="Sauerstoff" title="Sauerstoff">O</a><sup>2−</sup>
</td></tr>
<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Allgemeines
</th></tr>
<tr>
<td style="width:33%;">Name
</td>
<td>Rubidiumoxid
</td></tr>
<tr>
<td><a href="Verh%C3%A4ltnisformel" title="Verhältnisformel">Verhältnisformel</a>
</td>
<td>Rb<sub>2</sub>O
</td></tr>
<tr>
<td>Kurzbeschreibung
</td>
<td>
<p>farblose Kristalle<sup id="cite_ref-Brauer_1-0" class="reference"><a href="#cite_note-Brauer-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>
<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Externe Identifikatoren/Datenbanken
</th></tr>
<tr>
<td colspan="2" style="padding:0;">
<table class="mw-collapsible mw-collapsed wikitable" data-expandtext="+" data-collapsetext="−" style="border-top:none; margin:-1px; width:calc(100% + 2px);">
<tbody><tr>
<td style="width:33%;"><a href="CAS-Nummer" title="CAS-Nummer">CAS-Nummer</a>
</td>
<td><span title="Untervorlage eingebunden: CASRN"></span><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=18088-11-4">18088-11-4</a><span class="editoronly" style="display:none;"></span>
</td>
<td style="background:#FFDEAD; color:#202122; border-top:1px solid #FFDEAD; padding:0.2em 0; vertical-align:bottom; width:5%;">
</td></tr>
<tr>
<td><a href="EG-Nummer" title="EG-Nummer">EG-Nummer</a>
</td>
<td colspan="2">241-993-2
</td></tr>
<tr>
<td><a href="Europ%C3%A4ische_Chemikalienagentur" title="Europäische Chemikalienagentur">ECHA</a>-InfoCard
</td>
<td colspan="2"><a rel="nofollow" class="external text" href="https://www.echa.europa.eu/de/substance-information/-/substanceinfo/100.038.161">100.038.161</a>
</td></tr>
<tr>
<td><a href="PubChem" title="PubChem">PubChem</a>
</td>
<td colspan="2"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/10154361">10154361</a>
</td></tr>
<tr>
<td><a href="ChemSpider" title="ChemSpider">ChemSpider</a>
</td>
<td colspan="2"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.8329869.html">8329869</a>
</td></tr>
<tr>
<td style="border-right:1px solid #a2a9b1;"><a href="Wikidata" title="Wikidata">Wikidata</a>
</td>
<td colspan="2"><a href="https://www.wikidata.org/wiki/Q425243" class="extiw external" title="d:Q425243">Q425243</a>
</td></tr></tbody></table>
</td></tr>
<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Eigenschaften
</th></tr>
<tr>
<td><a href="Molare_Masse" title="Molare Masse">Molare Masse</a>
</td>
<td>186,93 g·<a href="Mol" title="Mol">mol</a><sup>−1</sup>
</td></tr>
<tr>
<td><a href="Aggregatzustand" title="Aggregatzustand">Aggregatzustand</a>
</td>
<td>
<p>fest
</p>
</td></tr>
<tr>
<td><a href="Dichte" title="Dichte">Dichte</a>
</td>
<td>
<p>3,72 g·cm<sup>−3</sup><sup id="cite_ref-Brauer_1-1" class="reference"><a href="#cite_note-Brauer-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>
<tr>
<td><a href="Schmelzpunkt" title="Schmelzpunkt">Schmelzpunkt</a>
</td>
<td>
<p>400 <a href="Grad_Celsius" title="Grad Celsius">°C</a> (Zersetzung)<sup id="cite_ref-Brauer_1-2" class="reference"><a href="#cite_note-Brauer-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>
<tr>
<td><a href="L%C3%B6slichkeit" title="Löslichkeit">Löslichkeit</a>
</td>
<td>
<p>heftige Reaktion mit Wasser<sup id="cite_ref-Brauer_1-3" class="reference"><a href="#cite_note-Brauer-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>
<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Sicherheitshinweise
</th></tr>
<tr>
<td colspan="2">
<table cellspacing="0" cellpadding="2" style="width:100%;">
<tbody><tr>
<td colspan="2" style="text-align:center"><b><a href="Global_harmonisiertes_System_zur_Einstufung_und_Kennzeichnung_von_Chemikalien" title="Global harmonisiertes System zur Einstufung und Kennzeichnung von Chemikalien">GHS-Gefahrstoffkennzeichnung</a></b><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
<table class="hintergrundfarbe-neutral" style="text-align:center; margin-left:auto; margin-right:auto; display:flex; justify-content:center;">
<tbody><tr>
<td><span typeof="mw:File"><a href="Global_harmonisiertes_System_zur_Einstufung_und_Kennzeichnung_von_Chemikalien#Übersicht:_EU-Gefahrensymbole,_UN/GHS-Gefahrenpiktogramme,_UN/ADR-Gefahrensymbole" title="02 – Leicht-/Hochentzündlich"></a></span>
</td>
<td><span typeof="mw:File"><a href="Global_harmonisiertes_System_zur_Einstufung_und_Kennzeichnung_von_Chemikalien#Übersicht:_EU-Gefahrensymbole,_UN/GHS-Gefahrenpiktogramme,_UN/ADR-Gefahrensymbole" title="05 – Ätzend"></a></span>
</td></tr></tbody></table>
<p><b>Gefahr</b>
</p>
</td></tr>
<tr>
<td rowspan="2" width="33%" style="border-top:1px #A7A7A7 dashed; border-right:1px #A7A7A7 dashed;"><a href="H-_und_P-S%C3%A4tze" title="H- und P-Sätze">H- und P-Sätze</a>
</td>
<td style="border-top:1px #A7A7A7 dashed;">H: <span title="Untervorlage eingebunden: H-Sätze"></span><a href="H-_und_P-S%C3%A4tze#H-Sätze" title="H- und P-Sätze"><span style="display:inline-block;"><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="In Berührung mit Wasser entstehen entzündbare Gase, die sich spontan entzünden können.">260</span></span></a>‐<a href="H-_und_P-S%C3%A4tze#H-Sätze" title="H- und P-Sätze"><span style="display:inline-block;"><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Verursacht schwere Verätzungen der Haut und schwere Augenschäden.">314</span></span></a>
</td></tr>
<tr>
<td style="border-top:1px #A7A7A7 dashed;">P: <span title="Untervorlage eingebunden: P-Sätze"></span><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Fehlende P-Sätze">?</span>
</td></tr>
</tbody></table>
</td></tr>
<tr>
<td colspan="2" style="background:#FFDEAD; color:#202122; font-size:80%; text-align:center; line-height:150%; padding:.25em;">Wenn nicht anders vermerkt, gelten die angegebenen Daten bei <a href="Standardbedingungen" title="Standardbedingungen">Standardbedingungen</a> (0 °C, 1000 hPa).
</td></tr></tbody></table><p><span class="editoronly" style="display:none;"></span>
</p><p><b>Rubidiumoxid</b> ist ein <a href="Oxid" class="mw-redirect" title="Oxid">Oxid</a> des <a href="Rubidium" title="Rubidium">Rubidiums</a>, das mit <a href="Wasser" title="Wasser">Wasser</a> heftig reagiert. Es kommt in der Natur nicht vor.
</p>
<div class="mw-heading mw-heading2"><h2 id="Eigenschaften">Eigenschaften</h2></div>
<p>Rubidiumoxid ist ein farbloser, in der Hitze gelber, kristalliner Feststoff.<sup id="cite_ref-Brauer_1-4" class="reference"><a href="#cite_note-Brauer-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Das <a href="Salze" title="Salze">Salz</a> <a href="Kristallisation" title="Kristallisation">kristallisiert</a> in einer anti-<a href="Calciumfluorid" title="Calciumfluorid">Calciumfluorid</a>-Struktur.<sup id="cite_ref-wiberg1_3-0" class="reference"><a href="#cite_note-wiberg1-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Die Kristalle sind <a href="Kubisches_Kristallsystem" title="Kubisches Kristallsystem">kubisch</a> mit der <a href="Raumgruppe" title="Raumgruppe">Raumgruppe</a> <i>Fm</i><span style="text-decoration:overline">3</span><i>m</i> (Raumgruppen-Nr. 225)<span style="display:none;">Vorlage:Raumgruppe/225</span><span class="editoronly" style="display:none;"></span>, dem <a href="Gitterparameter" title="Gitterparameter">Gitterparameter</a> a = 674 pm sowie vier <a href="Formeleinheit" title="Formeleinheit">Formeleinheiten</a> pro <a href="Elementarzelle" title="Elementarzelle">Elementarzelle</a>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Rubidiumoxid reagiert heftig mit Wasser:
</p>
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {Rb_{2}O+H_{2}O\longrightarrow 2\ RbOH} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mi mathvariant="normal">R</mi>
<msub>
<mi mathvariant="normal">b</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mi mathvariant="normal">O</mi>
<mo>+</mo>
<msub>
<mi mathvariant="normal">H</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mi mathvariant="normal">O</mi>
<mo stretchy="false">⟶<!-- ⟶ --></mo>
<mn>2</mn>
<mtext> </mtext>
<mi mathvariant="normal">R</mi>
<mi mathvariant="normal">b</mi>
<mi mathvariant="normal">O</mi>
<mi mathvariant="normal">H</mi>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {Rb_{2}O+H_{2}O\longrightarrow 2\ RbOH} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/6526125bd4e2cbdf52213f6b050a38904a2cf587.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:26.705ex; height:2.509ex;" alt="{\displaystyle \mathrm {Rb_{2}O+H_{2}O\longrightarrow 2\ RbOH} }" loading="lazy"></span></dd></dl>
<p>Die <a href="Standardbildungsenthalpie" class="mw-redirect" title="Standardbildungsenthalpie">Standardbildungsenthalpie</a> von Rubidiumoxid beträgt ΔH<sub>f</sub><sup>0</sup> = −331 kJ/mol.<sup id="cite_ref-wiberg1_3-1" class="reference"><a href="#cite_note-wiberg1-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
</p><p>Unter Lichteinwirkung erfolgt langsame Zersetzung unter Dunkelfärbung.<sup id="cite_ref-Brauer_1-5" class="reference"><a href="#cite_note-Brauer-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Gewinnung_und_Darstellung">Gewinnung und Darstellung</h2></div>
<p>Rubidiumoxid kann durch <a href="Chemische_Reaktion" title="Chemische Reaktion">Reaktion</a> von Rubidium und <a href="Rubidiumhydroxid" title="Rubidiumhydroxid">Rubidiumhydroxid</a> hergestellt werden:
</p>
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {2\ Rb+2\ RbOH\longrightarrow 2\ Rb_{2}O+H_{2}} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
<mtext> </mtext>
<mi mathvariant="normal">R</mi>
<mi mathvariant="normal">b</mi>
<mo>+</mo>
<mn>2</mn>
<mtext> </mtext>
<mi mathvariant="normal">R</mi>
<mi mathvariant="normal">b</mi>
<mi mathvariant="normal">O</mi>
<mi mathvariant="normal">H</mi>
<mo stretchy="false">⟶<!-- ⟶ --></mo>
<mn>2</mn>
<mtext> </mtext>
<mi mathvariant="normal">R</mi>
<msub>
<mi mathvariant="normal">b</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mi mathvariant="normal">O</mi>
<mo>+</mo>
<msub>
<mi mathvariant="normal">H</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
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</msub>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {2\ Rb+2\ RbOH\longrightarrow 2\ Rb_{2}O+H_{2}} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/e54f75a871e0636de54edd7eb054f8052b7e7722.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:34.226ex; height:2.509ex;" alt="{\displaystyle \mathrm {2\ Rb+2\ RbOH\longrightarrow 2\ Rb_{2}O+H_{2}} }" loading="lazy"></span></dd></dl>
<p>weitere Synthesemöglichkeiten sind:
</p>
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {3\ Rb+RbO_{2}\longrightarrow 2\ Rb_{2}O} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mn>3</mn>
<mtext> </mtext>
<mi mathvariant="normal">R</mi>
<mi mathvariant="normal">b</mi>
<mo>+</mo>
<mi mathvariant="normal">R</mi>
<mi mathvariant="normal">b</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mo stretchy="false">⟶<!-- ⟶ --></mo>
<mn>2</mn>
<mtext> </mtext>
<mi mathvariant="normal">R</mi>
<msub>
<mi mathvariant="normal">b</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mi mathvariant="normal">O</mi>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {3\ Rb+RbO_{2}\longrightarrow 2\ Rb_{2}O} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/0061f089150e9d3117724fb3826a4fad91443f0f.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:26.157ex; height:2.509ex;" alt="{\displaystyle \mathrm {3\ Rb+RbO_{2}\longrightarrow 2\ Rb_{2}O} }" loading="lazy"></span></dd></dl>
<p>und
</p>
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {10\ Rb+2\ RbNO_{3}\longrightarrow 6\ Rb_{2}O+N_{2}} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mn>10</mn>
<mtext> </mtext>
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<mi mathvariant="normal">b</mi>
<mo>+</mo>
<mn>2</mn>
<mtext> </mtext>
<mi mathvariant="normal">R</mi>
<mi mathvariant="normal">b</mi>
<mi mathvariant="normal">N</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>3</mn>
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<mn>6</mn>
<mtext> </mtext>
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<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
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<mi mathvariant="normal">O</mi>
<mo>+</mo>
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<mi mathvariant="normal">N</mi>
<mrow class="MJX-TeXAtom-ORD">
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</msub>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {10\ Rb+2\ RbNO_{3}\longrightarrow 6\ Rb_{2}O+N_{2}} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/95dca865129c40a66b224a06ad6ca296eeb9d711.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:36.443ex; height:2.509ex;" alt="{\displaystyle \mathrm {10\ Rb+2\ RbNO_{3}\longrightarrow 6\ Rb_{2}O+N_{2}} }" loading="lazy"></span></dd></dl>
<p>sowie
</p>
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {2 Rb + HgO -> Rb2O + Hg}}}">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
<mspace width="thinmathspace"></mspace>
<mtext>Rb</mtext>
<mo>+</mo>
<mtext>HgO</mtext>
<mo stretchy="false">⟶<!-- ⟶ --></mo>
<msubsup>
<mtext>Rb</mtext>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
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<mrow class="MJX-TeXAtom-ORD">
<mspace width="0pt" height="0pt" depth=".2em"></mspace>
</mrow>
</msubsup>
<mtext>O</mtext>
<mo>+</mo>
<mtext>Hg</mtext>
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<annotation encoding="application/x-tex">{\displaystyle {\ce {2 Rb + HgO -> Rb2O + Hg}}}</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/e6e5b6557822f15e3d2e25db25051acf3a29bfa1.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:28.814ex; height:2.843ex;" alt="{\displaystyle {2\,\mathrm {Rb} {}+{}\mathrm {HgO} {}\mathrel {\longrightarrow } {}\mathrm {Rb} {\vphantom {A}}_{\smash[{t}]{2}}\mathrm {O} {}+{}\mathrm {Hg} }}" loading="lazy"></span>.<sup id="cite_ref-Brauer_1-6" class="reference"><a href="#cite_note-Brauer-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></dd></dl>
<p>Durch die direkte Reaktion von Rubidium und Sauerstoff entstehen dagegen <a href="Rubidiumhyperoxid" title="Rubidiumhyperoxid">Rubidiumhyperoxid</a> RbO<sub>2</sub> (hauptsächlich) oder <a href="Rubidiumperoxid" title="Rubidiumperoxid">Rubidiumperoxid</a> Rb<sub>2</sub>O<sub>2</sub>.
</p>
<div class="mw-heading mw-heading2"><h2 id="Sicherheitshinweise">Sicherheitshinweise</h2></div>
<p>Da Rubidiumoxid stark mit Wasser reagiert, wirkt es auf der <a href="Haut" title="Haut">Haut</a> als Base. Beim Umgang mit Rubidiumoxid ist somit die Berührung mit Haut zu vermeiden.
</p>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li>Eintrag zu <span style="font-style:italic;"><a rel="nofollow" class="external text" href="http://webbook.nist.gov/cgi/cbook.cgi?ID=C18088-11-4">Rubidiumoxid</a></span>. In: P. J. Linstrom, W. G. Mallard (Hrsg.): <i>NIST Chemistry WebBook, NIST Standard Reference Database Number 69</i>. <a href="National_Institute_of_Standards_and_Technology" title="National Institute of Standards and Technology">National Institute of Standards and Technology</a>, Gaithersburg MD<span class="editoronly" style="display:none;"></span></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-Brauer-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Brauer_1-0">a</a></sup> <sup><a href="#cite_ref-Brauer_1-1">b</a></sup> <sup><a href="#cite_ref-Brauer_1-2">c</a></sup> <sup><a href="#cite_ref-Brauer_1-3">d</a></sup> <sup><a href="#cite_ref-Brauer_1-4">e</a></sup> <sup><a href="#cite_ref-Brauer_1-5">f</a></sup> <sup><a href="#cite_ref-Brauer_1-6">g</a></sup></span> <span class="reference-text">Georg Brauer: <cite style="font-style:italic">Dialkalimonoxyde – Rubidiumoxyd</cite>. In: <cite style="font-style:italic">Handbuch der Präparativen Anorganischen Chemie</cite>. Ferdinand Enke Verlag, Stuttgart 1954, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em"> </span>738</span>.<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/de.wikipedia.org:Rubidiumoxid&rft.atitle=Dialkalimonoxyde+-+Rubidiumoxyd&rft.au=Georg+Brauer&rft.btitle=Handbuch+der+Pr%C3%A4parativen+Anorganischen+Chemie&rft.date=1954&rft.genre=book&rft.pages=738&rft.place=Stuttgart&rft.pub=Ferdinand+Enke+Verlag" style="display:none"> </span></span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Registrierungsdossier zu <span style="font-style:italic;"><a rel="nofollow" class="external text" href="https://www.echa.europa.eu/de/registration-dossier/-/registered-dossier/27066/2/1">Dirubidium oxide</a></span> (Abschnitt <span style="font-style:italic;">GHS</span>) bei der <a href="Europ%C3%A4ische_Chemikalienagentur" title="Europäische Chemikalienagentur">Europäischen Chemikalienagentur</a> (ECHA), abgerufen am 12. Juli 2020.<div class="editoronly" style="display:none;"></div></span>
</li>
<li id="cite_note-wiberg1-3"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-wiberg1_3-0">a</a></sup> <sup><a href="#cite_ref-wiberg1_3-1">b</a></sup></span> <span class="reference-text"><a href="Arnold_F._Holleman" title="Arnold F. Holleman">A. F. Holleman</a>, <a href="Egon_Wiberg" title="Egon Wiberg">E. Wiberg</a>, <a href="Nils_Wiberg" title="Nils Wiberg">N. Wiberg</a>: <i><a href="Holleman-Wiberg_Lehrbuch_der_Anorganischen_Chemie" title="Holleman-Wiberg Lehrbuch der Anorganischen Chemie">Lehrbuch der Anorganischen Chemie</a>.</i> 101. Auflage. Walter de Gruyter, Berlin 1995, ISBN 3-11-012641-9, S. 1176.<span class="editoronly" style="display:none;"></span></span>
</li>
<li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">Jean D’Ans, Ellen Lax: <i>Taschenbuch für Chemiker und Physiker.</i> Band 3: <a href="Roger_Blachnik" title="Roger Blachnik">R. Blachnik</a> (Hrsg.): <i>Elemente, anorganische Verbindungen und Materialien, Minerale.</i> 4. neubearbeitete und revertierte Auflage. Springer, Berlin u. a. 1997, ISBN 3-540-60035-3, S. 690 (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=oWjEKDnsJgEC&pg=PA690#v=onepage">eingeschränkte Vorschau</a> in der Google-Buchsuche).</span>
</li>
</ol>
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<p><a href="Lithiumoxid" title="Lithiumoxid">Lithiumoxid</a> |
<a href="Natriumoxid" title="Natriumoxid">Natriumoxid</a> |
<a href="Kaliumoxid" title="Kaliumoxid">Kaliumoxid</a> |
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