It is reported that in one shuttle accident, when they were running an atmosphere of pure O2 at 16 psi above atmospheric, one fellows hand---not glove---caught on fire.
-----Original Message----- From: Marshall Dudley [mailto:[email protected]] Sent: Tuesday, April 15, 2003 9:36 PM To: [email protected] Subject: Re: CS>Oxygen, Burn or Explode? ELABORATION This is true. I have seen steel burn brilliantly several times in oxygen. Marshall Albert Peirce wrote: > The danger of an oxygen rich atmosphere is that any combustion > reaction is intensified! I believe that Gus Grissom and several other > astronauts died as a result of an electrical fault (short circuit) in > a confined space that was oxygen-rich and that everything that was > combustible (wire insulation, seat covers and foam padding, paper and > clipboards, etcetera) burned with incredible rapidity and intensity! > Check with AGA or one of your local welding suppliers to see if they > are offering any educational demos on the dangers of combustible gases > and oxidisers (oxygen). Well worth the time! Regards, Al... > ----- Original Message ----- > From: "Wayne Fugitt" <[email protected]> > To: <[email protected]> > Sent: Tuesday, April 15, 2003 8:26 AM > Subject: CS>Oxygen, Burn or Explode? > > > Morning Tish, > > > > >As a former welder, sucking up oxygen should be done with great > > >care as just about anything burns in the presence of pure oxygen. > > >All it takes is a spark and - WA LA - no more hair and a serious > > >burn. > > > > You mean, burn, not explode, I suppose. Can you elaborate a bit? > > > > Many materials cannot be ignited easily with a spark. > > > > If you mean, explode, then most gases have a narrow range of > > concentration that can produce an explosion. > > > > I had a chart of these different gasses and the concentration > > range required to produce an explosion at one time. > > > > I use oxygen in my den when walking on the treadmill. I have > > intended to do a concentration percentage, using the 5 liters per > > minute and the volume of the room. > > > > In this case, I don't think the hazard is nearly as great as I > > have > been > > led to believe by the non-technical. > > > > There is a gas heater about 25 feet away. Sometime I turn it > > off, including the pilot. > > > > Wayne > > > > > > > > -- > > The silver-list is a moderated forum for discussion of colloidal > > silver. > > > > Instructions for unsubscribing may be found at: > > http://silverlist.org > > > > To post, address your message to: [email protected] > > > > Silver-list archive: > > http://escribe.com/health/thesilverlist/index.html > > > > List maintainer: Mike Devour <[email protected]> > > > >
