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	<updated>2026-10-24T17:11:21Z</updated>
	<subtitle>User contributions</subtitle>
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		<id>https://wiki.inqubos.com/index.php?title=Template:Infobox_actinium_isotopes&amp;diff=2148</id>
		<title>Template:Infobox actinium isotopes</title>
		<link rel="alternate" type="text/html" href="https://wiki.inqubos.com/index.php?title=Template:Infobox_actinium_isotopes&amp;diff=2148"/>
		<updated>2025-07-08T01:07:27Z</updated>

		<summary type="html">&lt;p&gt;2601:441:8500:B870:9CE0:A911:5918:FA85: Add 228, part of natural decay series and next longest lived, also CD is never listed in infoboxes&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{Infobox isotopes (meta)&lt;br /&gt;
|symbol   =Ac&lt;br /&gt;
|ref-table=&lt;br /&gt;
|ref-nubase2020 =yes&lt;br /&gt;
|isotopes =&lt;br /&gt;
{{Isotopes/main/isotope |link=actinium-225 |mn=225 |sym=Ac&lt;br /&gt;
 |na=trace_link |hl={{val|9.919|u=d}}&lt;br /&gt;
 |dm1=a_link |perc1= |link1=francium-221 |pn1=221 |ps1=Fr }}&lt;br /&gt;
{{Isotopes/main/isotope |mn=226 |sym=Ac&lt;br /&gt;
 |na=synth_link |hl={{val|29.37|u=h}}&lt;br /&gt;
 |dm1=b-_link |perc1= |link1=thorium-226 |pn1=226 |ps1=Th&lt;br /&gt;
 |dm2=epsi_link |perc2= |link2=radium-226 |pn2=226 |ps2=Ra&lt;br /&gt;
 |dm3=α |perc3= |link3=francium-222 |pn3=222 |ps3=Fr }}&lt;br /&gt;
{{Isotopes/main/isotope |mn=227 |sym=Ac&lt;br /&gt;
 |na=trace |hl={{val|21.772|u=y}}&lt;br /&gt;
 |dm1=β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt; |perc1= |link1=thorium-227 |pn1=227 |ps1=Th&lt;br /&gt;
 |dm2=α |perc2= |link2=francium-223 |pn2=223 |ps2=Fr }}&lt;br /&gt;
{{Isotopes/main/isotope |mn=228 |sym=Ac&lt;br /&gt;
 |na=trace |hl={{val|6.15|u=h}}&lt;br /&gt;
 |dm1=β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt; |perc1= |link1=thorium-228 |pn1=228 |ps1=Th }}&lt;br /&gt;
|footnote =&lt;br /&gt;
|child    ={{{child|no}}}&lt;br /&gt;
}}&amp;lt;!--&lt;br /&gt;
&lt;br /&gt;
--&amp;gt;&amp;lt;noinclude&amp;gt;&lt;br /&gt;
{{Infobox element/element navigation |symbol=Ac |footnote=}}&lt;br /&gt;
{{Template reference list}}&lt;br /&gt;
{{documentation|1=Template:Infobox isotopes (meta)/doc}}&lt;br /&gt;
&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>2601:441:8500:B870:9CE0:A911:5918:FA85</name></author>
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