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	<id>https://catalog.jinharsh.co.in/index.php?action=history&amp;feed=atom&amp;title=Template%3AInfobox_platinum</id>
	<title>Template:Infobox platinum - Revision history</title>
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	<updated>2026-05-03T09:14:39Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_platinum&amp;diff=11252&amp;oldid=prev</id>
		<title>Admin: 1 revision imported: setup</title>
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		<updated>2021-04-16T04:03:21Z</updated>

		<summary type="html">&lt;p&gt;1 revision imported: setup&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:03, 16 April 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_platinum&amp;diff=11251&amp;oldid=prev</id>
		<title>setup&gt;Monkbot: Task 18a (cosmetic) (manual): eval 1 template: del empty params (2×);</title>
		<link rel="alternate" type="text/html" href="https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_platinum&amp;diff=11251&amp;oldid=prev"/>
		<updated>2020-12-16T14:28:17Z</updated>

		<summary type="html">&lt;p&gt;&lt;a href=&quot;/index.php?title=User:Monkbot/task_18&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User:Monkbot/task 18 (page does not exist)&quot;&gt;Task 18a (cosmetic)&lt;/a&gt; (manual): eval 1 template: del empty params (2×);&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Infobox element&lt;br /&gt;
|number=78&lt;br /&gt;
|symbol=Pt&lt;br /&gt;
|name=platinum&lt;br /&gt;
|abundance=&lt;br /&gt;
|abundance in earth's crust=&lt;br /&gt;
|abundance in oceans=&lt;br /&gt;
|abundance in solar system=&lt;br /&gt;
|left=[[iridium]]&lt;br /&gt;
|right=[[gold]]&lt;br /&gt;
|above=[[palladium|Pd]]&lt;br /&gt;
|below=[[darmstadtium|Ds]]&lt;br /&gt;
|group=10&lt;br /&gt;
|period=6&lt;br /&gt;
|block=d&lt;br /&gt;
|image name=Platinum crystals.jpg&lt;br /&gt;
|appearance=silvery white&lt;br /&gt;
|electrons per shell=2, 8, 18, 32, 17, 1&lt;br /&gt;
|phase=&lt;br /&gt;
|density gpcm3nrt=21.45&lt;br /&gt;
|density gpcm3mp=19.77&lt;br /&gt;
|melting point K=2041.4&lt;br /&gt;
|melting point C=1768.3&lt;br /&gt;
|melting point F=3214.9&lt;br /&gt;
|boiling point K=4098&lt;br /&gt;
|boiling point C=3825&lt;br /&gt;
|boiling point F=6917&lt;br /&gt;
|heat fusion=22.17&lt;br /&gt;
|heat vaporization=510&lt;br /&gt;
|heat capacity=25.86&lt;br /&gt;
|vapor pressure 1=2330&lt;br /&gt;
|vapor pressure 10=(2550)&lt;br /&gt;
|vapor pressure 100=2815&lt;br /&gt;
|vapor pressure 1 k=3143&lt;br /&gt;
|vapor pressure 10 k=3556&lt;br /&gt;
|vapor pressure 100 k=4094&lt;br /&gt;
|vapor pressure comment=&lt;br /&gt;
|crystal structure=face-centered cubic&lt;br /&gt;
|electronegativity=2.28&lt;br /&gt;
|number of ionization energies=2&lt;br /&gt;
|ionization energy 1=870&lt;br /&gt;
|ionization energy 2=1791&lt;br /&gt;
|atomic radius=139&lt;br /&gt;
|covalent radius=136±5&lt;br /&gt;
|Van der Waals radius=175&lt;br /&gt;
|magnetic ordering=[[paramagnetism|paramagnetic]]&lt;br /&gt;
|electrical resistivity unit prefix=n&lt;br /&gt;
|electrical resistivity at 20=105&lt;br /&gt;
|thermal conductivity=71.6&lt;br /&gt;
|thermal expansion at 25=8.8&lt;br /&gt;
|speed of sound rod at r.t.=2800&lt;br /&gt;
|magnetic susceptibility= +201.9·10&amp;lt;sup&amp;gt;−6&amp;lt;/sup&amp;gt;&lt;br /&gt;
|magnetic susceptibility ref= &amp;amp;#x20;(290&amp;amp;nbsp;K)&amp;lt;ref&amp;gt;{{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
|tensile strength=125&amp;amp;ndash;240&lt;br /&gt;
|Young's modulus=168&lt;br /&gt;
|Shear modulus=61&lt;br /&gt;
|Bulk modulus=230&lt;br /&gt;
|Poisson ratio=0.38&lt;br /&gt;
|Mohs hardness=3.5&lt;br /&gt;
|Vickers hardness=400–550&lt;br /&gt;
|Brinell hardness= 300–500&lt;br /&gt;
|CAS number=7440-06-4&lt;br /&gt;
|isotopes=&lt;br /&gt;
{{infobox element/isotopes decay | mn=190 | sym=Pt&lt;br /&gt;
|na=0.012% | hl=6.5&amp;amp;times;10&amp;lt;sup&amp;gt;11&amp;lt;/sup&amp;gt;&amp;amp;nbsp;y&lt;br /&gt;
|dm=[[alpha decay|α]] | de=3.252 | link1=osmium-186 | pn=186 | ps=Os}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=192 | sym=Pt | na=0.782% | n=114 |firstlinks=yes}}&lt;br /&gt;
{{infobox element/isotopes decay | mn=193 | sym=Pt&lt;br /&gt;
|na=[[synthetic radioisotope|syn]] | hl=50&amp;amp;nbsp;y&lt;br /&gt;
|dm=[[electron capture|ε]] | de=– | link1=iridium-193 | pn=193 | ps=Ir}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=194 | sym=Pt | na=32.864% | n=116 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=195 | sym=Pt | na=33.775% | n=117 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=196 | sym=Pt | na=25.211% | n=118 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=198 | sym=Pt | na=7.356% | n=120 |firstlinks=no}}&lt;br /&gt;
|isotopes comment=&lt;br /&gt;
|discovered by=[[Antonio de Ulloa]]&lt;br /&gt;
|discovery date=1735&lt;br /&gt;
|QID=Q880&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=Pt}}&lt;br /&gt;
{{template reference list}}&lt;br /&gt;
{{documentation|1=Template:Infobox element/doc}}&lt;br /&gt;
&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>setup&gt;Monkbot</name></author>
	</entry>
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