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		<id>http://www.talkglass.com/wiki/index.php?action=history&amp;feed=atom&amp;title=Hydrofluoric_acid</id>
		<title>Hydrofluoric acid - Revision history</title>
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		<updated>2026-06-15T21:50:49Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://www.talkglass.com/wiki/index.php?title=Hydrofluoric_acid&amp;diff=2498&amp;oldid=prev</id>
		<title>Mecha at 15:03, 13 May 2011</title>
		<link rel="alternate" type="text/html" href="http://www.talkglass.com/wiki/index.php?title=Hydrofluoric_acid&amp;diff=2498&amp;oldid=prev"/>
				<updated>2011-05-13T15:03:05Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;←Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 15:03, 13 May 2011&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Hydrofluoric Acid is an extremely corrosive material used in many scientific glass shops to etch impurities from glass, or remove excess material to meet specific design tolerances. One of the more common uses is removing contamination from wet saw blades prior to construction of an apparatus. It is also extremely useful in removing &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;quartz &lt;/del&gt;&amp;quot;haze&amp;quot; once finished with the flame working process. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Hydrofluoric Acid is an extremely corrosive material used in many scientific glass shops to etch impurities from glass, or remove excess material to meet specific design tolerances. One of the more common uses is removing contamination &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;on the cut ends of glass &lt;/ins&gt;from wet saw blades prior to construction of an apparatus. It is also extremely useful in removing &amp;quot;haze&amp;quot; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;from quartz &lt;/ins&gt;once finished with the flame working process. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;HF is extremely dangerous and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;must &lt;/del&gt;be handled with &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;extreme &lt;/del&gt;care. Proper storage and handling equipment must be used along with strict adherence to safety protocols. The use of HF is not recommended by those that do not have a thorough understanding of the dangers involved, and an understanding of the proper use, storage, and disposal of this chemical. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;HF is extremely dangerous and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;should &lt;/ins&gt;be handled with &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the utmost &lt;/ins&gt;care. Proper storage and handling equipment must be used along with strict adherence to safety protocols. The use of HF is not recommended by those that do not have a thorough understanding of the dangers involved, and an understanding of the proper use, storage, and disposal of this chemical&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. An HF specific first aid kit and eyewash station should be available&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Here is a link to the MSDS [http://www.sciencelab.com/msds.php?msdsId=9924296] (material safety data sheet) for hydrofluoric acid.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Here is a link to the MSDS [http://www.sciencelab.com/msds.php?msdsId=9924296] (material safety data sheet) for hydrofluoric acid.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mecha</name></author>	</entry>

	<entry>
		<id>http://www.talkglass.com/wiki/index.php?title=Hydrofluoric_acid&amp;diff=2497&amp;oldid=prev</id>
		<title>Mecha at 18:19, 12 May 2011</title>
		<link rel="alternate" type="text/html" href="http://www.talkglass.com/wiki/index.php?title=Hydrofluoric_acid&amp;diff=2497&amp;oldid=prev"/>
				<updated>2011-05-12T18:19:38Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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			&lt;col class='diff-content' /&gt;
		&lt;tr valign='top'&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;←Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 18:19, 12 May 2011&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;HF is extremely dangerous and must be handled with extreme care. Proper storage and handling equipment must be used along with strict adherence to safety protocols. The use of HF is not recommended by those that do not have a thorough understanding of the dangers involved, and an understanding of the proper use, storage, and disposal of this chemical. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;HF is extremely dangerous and must be handled with extreme care. Proper storage and handling equipment must be used along with strict adherence to safety protocols. The use of HF is not recommended by those that do not have a thorough understanding of the dangers involved, and an understanding of the proper use, storage, and disposal of this chemical. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Here is a link to the [http://www.sciencelab.com/msds.php?msdsId=9924296] (material safety data sheet) for hydrofluoric acid.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Here is a link to the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;MSDS &lt;/ins&gt;[http://www.sciencelab.com/msds.php?msdsId=9924296] (material safety data sheet) for hydrofluoric acid.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mecha</name></author>	</entry>

	<entry>
		<id>http://www.talkglass.com/wiki/index.php?title=Hydrofluoric_acid&amp;diff=2496&amp;oldid=prev</id>
		<title>Mecha: Hydrofluoric acid</title>
		<link rel="alternate" type="text/html" href="http://www.talkglass.com/wiki/index.php?title=Hydrofluoric_acid&amp;diff=2496&amp;oldid=prev"/>
				<updated>2011-05-12T18:13:34Z</updated>
		
		<summary type="html">&lt;p&gt;Hydrofluoric acid&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Hydrofluoric Acid is an extremely corrosive material used in many scientific glass shops to etch impurities from glass, or remove excess material to meet specific design tolerances. One of the more common uses is removing contamination from wet saw blades prior to construction of an apparatus. It is also extremely useful in removing quartz &amp;quot;haze&amp;quot; once finished with the flame working process. &lt;br /&gt;
&lt;br /&gt;
HF is extremely dangerous and must be handled with extreme care. Proper storage and handling equipment must be used along with strict adherence to safety protocols. The use of HF is not recommended by those that do not have a thorough understanding of the dangers involved, and an understanding of the proper use, storage, and disposal of this chemical. &lt;br /&gt;
&lt;br /&gt;
Here is a link to the [http://www.sciencelab.com/msds.php?msdsId=9924296] (material safety data sheet) for hydrofluoric acid.&lt;/div&gt;</summary>
		<author><name>Mecha</name></author>	</entry>

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