[ RadSafe ] Natural Uranium - Isotope Abundance

[Arvic Harms]

An IUPAC technical report published in 2003 (Pure Appl. Chem., Vol. 75, No. 6, pp. 683-800, 2003; available on-line) gives on page 787 a value for the U-235 mole fraction of:

0.007204(6)

Kind regards,

Arvic Harms
National Physical Laboratory
UK

> -----Original Message-----
> From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl]On
> Behalf Of J. Marshall Reber
> Sent: 24 October 2007 17:41
> To: Redmond, Randy (RXQ)
> Cc: radsafe at radlab.nl
> Subject: Re: [ RadSafe ] Natural Uranium - Isotope Abundance
> 
> 
> Could you elaborate by what method you are measuring the 
> U-235 to one  
> thousandth percent?
> 
> On Oct 23, 2007, at 10:30 AM, Redmond, Randy (RXQ) wrote:
> 
> >  I am being currently held to 0.711 percent.
> 
> 
> J. Marshall Reber, ScD
> 165 Berkeley St.
> Methuen MA 01844
> 
> Tel/Fax: 978-683-6540
> Alternate Email: reber at alum.mit.edu
> 
> 
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