Re: Chemical question

[mem122a@lanl.gov (Milton McLain)]

In addition:

My experience is that most "off-the-shelf" uranium compounds as obtained
from chemical suppliers contain depleted uranium, rather than having the
natural U-235 isotopic abundance.  This is, of course, not a major factor
when it comes to disposal of uranium compounds.

Milton McLain



> I'll try this again.
>
> Thorium nitrate and uranol sic - i.e. uranyl+ compounds generally contain
> natural uranium and thorium. For thorium, this is 100% thorium-232. For
> uranium, you are dealing with 99+% U-238, and approximately 0.72% U-235,
> 0.0055% U-234. The specific activity of the Th-232 and U components are
> readily available. I use 4.05e-9 Tbq/g of thorium and 2.56e-8 TBq/g of
> uranium.
>
> (I'd be in Boston, but I took this left turn in Albuquerque...)
>
> This is unreviewed, and represents my views, not the views of my employer.
>
> Thanks,
> Richard W. Edwards, Analyst          The Boeing Company
> Phone: (206) 393-1999                P.O. Box 3707, M/S 6Y-38
> Fax:   (206) 393-3060                Seattle, WA  98124-2207
>
>
>