Bruce Napier wrote: > On 15 Feb 2007, at 10:54, <[EMAIL PROTECTED]> asked: > >> Once again - a question I asked before and which was answered but I >> forgot >> >> Is CO heavier than air ? I know LPG is. >> > ISTR last time Mr Jones indicated that there's not much in it. Because > the CO will be hot initially, if anything it tends to drift up. > > The other bit of info was that there are no CO detectors approved for > marine use, and if you look at the positioning instrux on them , > they're virtually impossible to apply in a NB. We've put ours on the > half partition at the end of the galley, so that it's midway between > the two likely sources of CO, the gas cooker and the Squirrel.
Oy! If we are going to be formal then it's Dr.! I didn't spend 6 loooong years to be called a Mr... ;-) Otherwise you are correct.... :-) Gas density proportional to molecular weight - examples Hydrogen 2 Helium 4 [Air 28.96 based on the mix of the next three] Nitrogen 28 (78% in air) Oxygen 32 (21% in air) Argon 40 (1% in air) CO 28 CO2 44 Propane 44 Butane 58 Ron Jones Process Safety & Development Specialist Don't repeat history, unreported chemical lab/plant near misses at http://www.crhf.org.uk Only two things are certain: The universe and human stupidity; and I'm not certain about the universe. ~ Albert Einstein
