Re: Iodine 131

["ruth_weiner" <ruth_weiner@email.msn.com>]

I am sure the power reactor people know more about this than I do, but what
I recall is this:  when U-235 fissions and one makes a graph of fission
product abundance vs. mass number, the graph has two maxima ("humps"), one
at around mass number 90 and one at around mass number 130.  Sr-90 and
Cs-137 are produced in considerable abundance as well as I-131 (and I-129).

Ruth Weiner
ruth_weiner@msn.com
-----Original Message-----
From: Steven Dapra <sjd@swcp.com>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Date: Friday, August 18, 2000 10:06 PM
Subject: Iodine 131


>Aug. 18
>
> What is the source of the vast quantities of I-131 that is produced in
>power reactors, and why is there so much of it?
>
>Steven Dapra
>sjd@swcp.com
>
>
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