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Re: Activity ratio of U-238/U-235 in natural uranium
The values below are mass ratios for natural uranium. The activity ratios
are more like 49% / 2% / 49% (roughly) for U-234/235/238, respectively.
V. King
Grand Junction, CO
----- Original Message -----
From: "John R Johnson" <idias@interchange.ubc.ca>
To: "Franz Schoenhofer" <franz.schoenhofer@CHELLO.AT>;
<radsafe@list.vanderbilt.edu>
Sent: Sunday, January 11, 2004 4:48 PM
Subject: RE: Activity ratio of U-238/U-235 in natural uranium
> Franz
>
> The isotopic percentages for U-Nat are 238/235/234 =
99.2745/0.7200/0.0055.
>
> John
> _________________
> John R Johnson, Ph.D.
> *****
> President, IDIAS, Inc
> 4535 West 9-Th Ave
> Vancouver B. C.
> V6R 2E2
> (604) 222-9840
> idias@interchange.ubc.ca
> *****
> or most mornings
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>
> -----Original Message-----
> From: owner-radsafe@list.vanderbilt.edu
> [mailto:owner-radsafe@list.vanderbilt.edu]On Behalf Of Franz Schoenhofer
> Sent: January 11, 2004 1:43 PM
> To: radsafe@list.vanderbilt.edu
> Subject: Activity ratio of U-238/U-235 in natural uranium
>
>
>
> RADSAFErs,
>
> Is there anybody, who has the activity ratio of U-238/U-235 in natural
> uranium at hand and could quickly tell me? I need it for a review of a
paper
> for a scientific journal. (When I emptied my office because of my
retirement
> I had to put everything quickly into storage boxes and have not yet
emptied
> them!)
>
> Thanks!
>
> Franz
>
>
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