Guest guest Posted December 31, 2003 Report Share Posted December 31, 2003 Donn, I forgot one critical aspect of our hydrofluoric acid protocol offshore: Monitor ECG. This is because HF can cause severe electrolyte disturbances which may lead to VT and VF. Sorry, the mind is the first thing to go, not the legs. Gene Quote Link to comment Share on other sites More sharing options...
Guest guest Posted December 31, 2003 Report Share Posted December 31, 2003 Donn, A couple of years ago I was discussing HF protocols with the HSE manager at Litton, where they use it extensively to etch circuit boards. He gave me some information on a commercial neutralizer solution that they were looking into purchasing. I can't recall what it was called, and I have not heard any followup on it. I do remember that it was expensive as hell, but supposedly a superiour solution. Anybody familiar with what that might have been? Rob Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 1, 2004 Report Share Posted January 1, 2004 The only agent I'm familiar with (other than calcium gluconate) that is used as treatment for HF acid exposure is benzalkonium chloride. I think OSHA still recommends its use, but all the MSDS I've seen in recent years mention only Calcium Gluconate. The damage caused by HF is due to free fluorine ions reacting with the calcium in the body. CG is useful because it combines with the HF to form Calcium Fluoride, an insoluble salt, which hinders the extraction of Calcium. CG is available powdered, liquid in vials, pre-diluted 10% irrigating solutions and in dilute gel form. There are some who recommend all employees working with HF carry a tube of the gel in their pocket at all times, which is not a bad idea. When dealing with HF acid exposure time is extremely critical. However, like all pre-mix pharmaceuticals, the gel is expensive - about a buck a gram - and has a rather short expiry date. When we are working with the acid we mix our own gel using a 6 Oz tube KY Jelly combined with 4 grams of powdered CG (which has a much longer shelf life than the pre-mix). One major point to remember if responding to a HF acid exposure. Protect yourself first. Even a small exposure to a weak concentration could cause damage. Be very, very careful and wear full protective equipment. Regards, Donn =============================== D.E. (Donn) , LP, NREMT-P ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ " ...your educators can be only your liberators. " ~~ Friedrich Nietzsche ~ " Untimely Meditations " ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ________________________________ From: Rob Sent: Thursday, January 01, 2004 12:13 AM To: Subject: Re: RE: protocol question Donn, A couple of years ago I was discussing HF protocols with the HSE manager at Litton, where they use it extensively to etch circuit boards. He gave me some information on a commercial neutralizer solution that they were looking into purchasing. I can't recall what it was called, and I have not heard any followup on it. I do remember that it was expensive as hell, but supposedly a superiour solution. Anybody familiar with what that might have been? Rob Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 1, 2004 Report Share Posted January 1, 2004 > That's because you're a yankee. Molino, are you going to let him insult you like that? Donn =============================== D.E. (Donn) , LP, NREMT-P ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ " ...your educators can be only your liberators. " ~~ Friedrich Nietzsche ~~ " Untimely Meditations " ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 1, 2004 Report Share Posted January 1, 2004 Speaking of Yankees, whats the difference between a yankee and a wet saddle? Nothing, either one will chap your ass in about 5 minutes.... Mike " Some days you're the dog, and some days you're the hydrant; pretty easy to figure out which is which. " Hatfield EMT-P Re: RE: protocol question In a message dated 1/1/2004 6:28:36 AM Central Standard Time, donn@... writes: > That's because you're a yankee. Molino, are you going to let him insult you like that? He's not talking to me I am a DAMN YANKEE from what I've been told and besides I spent a week in NJ over the holidays and 1) it don't feel right to me and 2) Y'all is right it does have an odor! I'm staying here in Texas and you only have the State to blame after all they hired me! Louis N. Molino, Sr., CET FF/NREMT-B/FSI/EMSI LNMolino@... (Home Office) " A Texan with a Jersey Attitude " The comments contained in this E-mail are the opinions of the author and the author alone. I in no way ever intend to speak for any person or organization that I am in any way whatsoever involved or associated with unless I specifically state that I am doing so. Further this E-mail is intended only for its stated recipient and may contain private and or confidential materials retransmission is strictly prohibited unless placed in the public domain by the original author. Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 1, 2004 Report Share Posted January 1, 2004 That is how our protocols recommend preparing calcium gluconate for HF exposure. Barry E. McClung, EMT-P Re: RE: protocol question > When we are working with the acid we mix our own gel using > a 6 Oz tube KY Jelly combined with 4 grams of powdered CG (which has a > much longer shelf life than the pre-mix). Quote Link to comment Share on other sites More sharing options...
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