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From: fiddler%concertina@Sun.COM (Steve Hix)
Newsgroups: sci.bio,sci.physics
Subject: Re: Xenon/oxygen
Message-ID: <30148@sun.uucp>
Date: Tue, 6-Oct-87 14:42:14 EDT
Article-I.D.: sun.30148
Posted: Tue Oct  6 14:42:14 1987
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In article <3981@ecsvax.UUCP>, dgary@ecsvax.UUCP (D Gary Grady) writes:

> substitute proposed was uranium-238 hexafluoride, which is quite dense,
> but I'm not sure it's nontoxic.  I recommend the Daedalus column for

It's not only somewhat corrosive (and toxic), it's also just
a bit radioactive.  As a waste by-product of gaseous diffusion
production of U-235, it might not be too expensive in quantity..:]

	seh