[seaventures] Re: Industrial Oxygen or Medical Oxygen
- From: "Greg Justice" <wanderfoot@xxxxxxxxx>
- To: seaventures@xxxxxxxxxxxxx
- Date: Tue, 25 Sep 2007 09:10:31 -0400
I had no idea, I always though Medical grade Oxygen was more pure or derived
by a different method.
On 9/24/07, Not Young Man goheen <1goheen@xxxxxxxxx> wrote:
>
> From the "Discovery Diving Newsletter of 21 Sept.
>
> Industrial Oxygen in My Nitrox?
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> To produce Nitrox, a dive operator must use oxygen, of course. When
> one of our readers, who asked to remain anonymous, learned the resort
> he was visiting used industrial oxygen instead of medical oxygen, he
> became concerned. He declined the Nitrox, went back to compressed air
> and when he got home, asked us whether he should have been concerned.
>
> In short, no. In fact, that very topic was covered recently by C.
> Claiborne Bay in the New York Times' Science Thursday column, about a
> veterinarian who found that all he could buy was industrial oxygen.
>
> "There is practically no difference between industrial and medical
> oxygen," said Ravi K. Bansal, CEO of the Airsep Corporation in
> Buffalo, N.Y., which produces both kinds. "The two come from the same
> source and are produced the same way," he said, "but to sell oxygen as
> medical gas, as with any prescription drug, regulations must be
> complied with to ensure that it is being properly dispensed and that,
> in the event of a recall, it is traceable with a lot number.
>
> "It needs to be tracked, and sometimes tested if it is repackaged, as
> it moves along the distribution channel," Dr. Bansal said.
> "Industrial oxygen contains no harmful contaminants and is separated
> from air by a process in which air, collected in its gaseous form, is
> liquefied at very cold temperatures. The different constituent gases
> boil off at different temperatures, making it possible to capture pure
> oxygen."
>
> If you're using Nitrox, not matter where you dive, you may be
> breathing industrial oxygen. It's cheaper, easier to obtain, and
> differes insignificantly from medical oxygen. In fact, medical oxygen
> bottles in Third World countries, and maybe a lot of other places, may
> have the same stuff, too.
>
> --
> The Not Young Craig Goheen, not to be confused with The young Craig
> Goheen.
> www.SeaVentures-Scuba.com
>
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