  Nitrogen pressurized golf club.
This is the kind of item that makes you want to scream for crying out loud, get a life! I mean seriously, does anyone really think that they are going to get a better score in golf because the head of their golf club is made of titanium, and is pressurized to 32psi, and furthermore is pressurized with pure nitrogen gas instead of just with air, which is only 78% nitrogen? I mean, really.
Now, as an element collector I am always concerned that I might have been ripped off. How do I know that this golf club really is pressurized with pure nitrogen and not just air? What test could I use to determine the nature of the gas without opening the head and thus ruining the sample? I have a bunch of noble gas flasks that I was able to test by setting up an electric arc inside them and observing the color of the discharge. But this is impossible in an opaque metal container. NMR and spectroscopy are similarly precluded. I can't measure the density because I don't know how thick the walls are, which also rules out speed of sound tests. Frankly, I'm at a loss how I could possibly distinguish the gas inside.
But wait! It's easy! I just need to prepare a control by getting a second identical club, letting the "nitrogen" out and then repressurizing that one with 32psi of ordinary air. Then I can play a few rounds of golf with each club and see which one I get a better score with! This could open up a whole new world of chemical analysis. Don't know what's in your test tube? Just put it in your golf club and see what score you get on your next game! Wait, I forgot, I don't play golf! Darn, I guess I'll never really know, but I'll give them the benefit of the doubt on the purity.
Source: eBay seller psainvestments
Contributor: Theodore Gray
Acquired: 25 April, 2003
Price: $21
Size: 6"
Purity: 99%
Sample Group: Golf Equipment
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