A Deadly Rinse: The Dangers of Hydrofluoric Acid (HF)


	A Deadly Rinse: The Dangers of Hydrofluoric Acid (HF)

nohobot

10-21-2007 6:17 PM

299 views

tags:

chemistry, chemicals, acid, safety, scary

nohobot says:

Be sure to read the rest of this fascinating article! HF is terrifying stuff.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/10fcee0e-a0a9-4be9-80b7-561ab7279ba3/4AB5502E-5822-493A-8F4B-7A79B1CEB5ED/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.carwash.com/article.asp?IndexID=4230101" href="http://www.carwash.com/article.asp?IndexID=4230101" style="font-size: 11px;">www.carwash.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.carwash.com/article.asp?IndexID=4230101"><P>	At Harvard University, lab workers aren't allowed near a container of hydrofluoric acid (HF) without donning rubber gloves, goggles, a face shield, rubber apron and a lab coat. Some just don't feel safe wearing anything less than a supplied-air protective suit. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.carwash.com/article.asp?IndexID=4230101"><P>	HF is not like other highly corrosive acids. Mix it with equal parts of water (as many overzealous operators do when cleaning bay walls), spill a little on your unprotected hand and you won't even feel any pain as it begins to burn through your skin, searching for the calcium in your bones. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.carwash.com/article.asp?IndexID=4230101"><P>	An overreaction? Hardly, when you consider that an HF burn covering less than 2 percent of your body can kill you. And you probably won't even know you're in danger until it's too late. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.carwash.com/article.asp?IndexID=4230101"><P>	Because of the fluorine's numbing effect, it could be a full day before you begin to notice that your soft tissue and bone are being eaten away by this toxic chemical that has two favorite sources of calcium - bones and concrete. </P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/4AB5502E-5822-493A-8F4B-7A79B1CEB5ED/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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