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Re: thorium abundance?

To: radsafe@romulus.ehs.uiuc.edu
Subject: Re: thorium abundance?
From: "Ron L. Kathren" <rkathren@beta.tricity.wsu.edu>
Date: Mon, 27 Feb 1995 11:44:48 -0800 (PST)
In-Reply-To: <9502271404.AA28361@romulus.ehs.uiuc.edu>

That's easy -- on a weight basis, 100% of the naturally occurring Th is 
the 232 isotope. (Actually 99.9999 etc>)
Ron

On Mon, 27 Feb 1995, M. Woo wrote:

> Does anyone know where I can find the values of the naturally-occurring
> isotopic abundances of thorium?  
> 
> Thanks in advance!
> 
> -- 
> Melissa Woo                       | University of Illinois at Urbana-Champaign
> Health Physicist                  | Environmental Health & Safety Bldg., MC225
> office phone: 1.217.244.7233      | 101 S. Gregory St., Urbana, IL  61801
> m-woo@uiuc.edu                    | http://www.cso.uiuc.edu/ph/www/m-woo
>

References:
- thorium abundance?
  - From: melissa (M. Woo)

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