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Registered Member #175
Joined: Tue Feb 14 2006, 09:32PM
Location: Sudbury, ON
Posts: 111
Wouldn't xenon be cheaper/easier to get and also lower your voice? Just by analogy with helium, it's denser than air and so the different speed of sound should make your voice sound funny. Again, I'd be veery careful with too much since your lungs would have much more trouble displacing it than helium. Or does SF6 work though some other effect?
Registered Member #690
Joined: Tue May 08 2007, 03:47AM
Location: New Jersey, USA
Posts: 616
I would think Xenon would cost a huge amount more. Xenon is a noble gas, so the only way to get it is by extracting it from air, which is an insanely small percent Xenon (90 parts per billion or 0.000009%)!
Sulfur and Fluorine, however, are present in natural compounds (fairly common compounds). Through a series of processes, they can be extracted and reacted to form SF6.
I wish SF6 wasn't so expensive...that foil boat demo is so cool!
Registered Member #509
Joined: Sat Feb 10 2007, 07:02AM
Location:
Posts: 329
Argon is fairly common for welding purposes, probably not too pure for industrial purposes, and I dont think its 'cheap' either but most likely better then xenon :p
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Looking for sulphur hexafluoride
