https://traveller.m9s5ever.co.uk/index.php?action=history&feed=atom&title=Template%3AInfobox_lanthanum_isotopes 2026-10-18T06:17:56Z Revision history for this page on the wiki MediaWiki 1.38.7 https://traveller.m9s5ever.co.uk/index.php?title=Template:Infobox_lanthanum_isotopes&diff=1381&oldid=prev 2021-10-26T13:10:26Z

<p><span dir="auto"><span class="autocomment">top: </span>rm depr parameters, not used this way (see <a href="/index.php/Template:Infobox_element/symbol-to-saw" title="Template:Infobox element/symbol-to-saw">Template:Infobox element/symbol-to-saw</a>), replaced: weight={{val|138.90547|(7)}} → weight=, removed: |standard atomic weight= , |conventional atomic weight=</span></p> <p><b>New page</b></p><div>{{infobox element isotopes<br /> |name=lanthanum<br /> |symbol=La<br /> |isotopes=<br /> {{infobox element isotopes/isotopes decay | mn=137 | sym=La<br /> |na=[[synthetic radioisotope|syn]] | hl=[[1 E8 s|6×10&lt;sup&gt;4&lt;/sup&gt;&amp;nbsp;y]]<br /> |dm=[[electron capture|ε]] | de=0.600 | link1=barium-137 | pn=137 | ps=Ba}}<br /> {{infobox element isotopes/isotopes decay2 | mn=138 | sym=La<br /> |na=0.089% | hl=[[1 E16 s|1.05&amp;times;10&lt;sup&gt;11&lt;/sup&gt;&amp;nbsp;y]]<br /> |dm1=ε | de1=1.737 | link1=barium-138 | pn1=138 | ps1=Ba<br /> |dm2=[[beta emission|β&lt;sup&gt;−&lt;/sup&gt;]] | de2=1.044 | link2=cerium-138 | pn2=138 | ps2=Ce}}<br /> {{infobox element isotopes/isotopes stable | mn=139 | sym=La | na=99.911% | n=82 |firstlinks=yes}}<br /> <br /> |isotopes table footnote=<br /> |standard atomic weight ref={{CIAAW2016}}<br /> }}&lt;!--<br /> <br /> --&gt;&lt;noinclude&gt;<br /> {{Infobox element/element navigation |symbol=La |footnote=}}<br /> {{Template reference list}}<br /> {{documentation|1=Template:Infobox element isotopes/doc}}<br /> &lt;/noinclude&gt;</div>

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