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Old 01-14-2014, 09:46 PM
 
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I am wondering about this. Oxygen is oxygen right? And all oxygen tanks that one buys have compressed oxygen that shoots out when you turn the tank on. So if I have an oxygen tank that I use for jewelry making it would be the same if I breathe it in as a tank from a medical supply company. Right? Or am I missing something.
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Old 01-15-2014, 03:29 AM
 
Location: Florida
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The oxygen is the same initially. The tanks used may not be the exactly the same...the welding tanks may not be fitted out to hold the regulators used for a cannula/mask.
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Old 01-16-2014, 05:44 PM
 
Location: Wake County, NC
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I don't know about your jewelry making tank, but O2 comes in different forms of purity. Aviators breathing oxygen is more pure than medical oxygen you would receive in a hospital or medical supply company. If I had to guess I'd say your jewelry O2 would be a lot less pure than your medical O2.
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Old 01-17-2014, 05:18 AM
 
Location: Florida
23,154 posts, read 26,044,216 times
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Quote:
Originally Posted by Not_liking_FL View Post
I don't know about your jewelry making tank, but O2 comes in different forms of purity. Aviators breathing oxygen is more pure than medical oxygen you would receive in a hospital or medical supply company. If I had to guess I'd say your jewelry O2 would be a lot less pure than your medical O2.
Every link I could pull up says that all tanks are filled from the same base supply.
Impurity possibly could come from the handling and care of the tanks used
Why would you think that pilots deserved or required purer oxygen than people who depend on it for survival ?

"All oxygen supplies come from a very small number of vendors and is normally delivered in 25,000 gallon refrigerated tanks. The manufacturing process is so thorough and clean that the finished product meets all usage specifications right from the tank. However, just to be sure, any lot of oxygen destined to be medical oxygen is batch tested for aromatics (oils, Benzene, and other impurities that appear in the manufacturing equipment). ABO (aviation breathing oxygen) is also tested for moisture content, while welding oxygen comes straight from the vendor with no additional additives or testing.(snip)..........
Although hundreds of FBOs around the country have aviation oxygen available, industrial oxygen (remember, it’s all the same) can also be used for Part 91 operations.
Oxygen Use in Aviation - AOPA
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Old 01-17-2014, 04:04 PM
 
Location: Wake County, NC
2,983 posts, read 4,592,325 times
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Quote:
Originally Posted by old_cold View Post
Every link I could pull up says that all tanks are filled from the same base supply.
Impurity possibly could come from the handling and care of the tanks used
Why would you think that pilots deserved or required purer oxygen than people who depend on it for survival ?

"All oxygen supplies come from a very small number of vendors and is normally delivered in 25,000 gallon refrigerated tanks. The manufacturing process is so thorough and clean that the finished product meets all usage specifications right from the tank. However, just to be sure, any lot of oxygen destined to be medical oxygen is batch tested for aromatics (oils, Benzene, and other impurities that appear in the manufacturing equipment). ABO (aviation breathing oxygen) is also tested for moisture content, while welding oxygen comes straight from the vendor with no additional additives or testing.(snip)..........
Although hundreds of FBOs around the country have aviation oxygen available, industrial oxygen (remember, it’s all the same) can also be used for Part 91 operations.
Oxygen Use in Aviation - AOPA
You are correct. I wasn't aware that moisture was added to medical oxygen bedside or that it all came from the same source.
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