Re: Finding DU

[mcnaught@lanl.gov (Mike McNaughton)]

>On one of my sites contaminated with EU we
>used a pancake probe to detect the uranium.
>What you are actually measuring it the beta off
>of one of the daughters.  This beta has a better
>range and easier to detect the low energy
>gamma.  It was Po I think (75% sure).

I think it was Pa-234m.  It takes a long time for Po to reach secular
equilibrium because U-234 has a 2E5 year half life.

"Shlala gashle" (Zulu greeting, meaning "Stay safe")
mike (mcnaught@LANL.GOV)