----- Original Message -----
Sent: Wednesday, February 20, 2002 10:58
PM
Subject: Differences in oxygen
suppliers
Greetings all.
I was presented with an interesting question related to oxygen supply and
knew you would be the people to approach. Given that there are four main
types of industrial oxygen markets out there; medical, aviation, welding and
research, what are the main differences in them other than cost. My
understanding is that welding oxygen can be of higher purity than the medical
stuff and aviation can be considerably cheaper. I went on a transport to
the far north once and found that the oxygen cylinders were labelled (I
believe) 98% USP versus what I thought was the 99.99% USP norm.
I realize that legalities play an important part, but couldn't one argue
that a higher refined product meant for welding be as good or better than say,
and oxygen concentrator? I have found one article that has circulated in
many many web sites that briefly mentions it.
Ted Reesor,
RRT/RRCP
Joseph Brant Memorial Hospital
Burlington, Ontario
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