Friends,
It seems a useful opportunity to note an Errata correcting two typos (eqs.
8 and 17) in that paper.
Errata appears in Mass Spectrometry Reviews 1997, 16, p. 382; available on
request.
Tom Brenna
At 06:12 PM 11/19/2004 +0100, you wrote:
>Dear David
>You just have to multiply F by 100 and you get At%. But no bother so
>much, all you need to know about notations and how measure high enriched
>samples is in Brenna et al., 1997, Mass Spectrometry Reviews, 16, 227258.
>Rafael
>Technician
>Stable Isotope Laboratory
>Estacion Experimental del Zaidin CSIC
>Profesor Albareda 1, 18008 Granada, Spain
>
>David Denhaan wrote:
>
>>Dear List,
>>
>>I ran across a formula on the
>>internet, (
>>http://wwwrcamnl.wr.usgs.gov/isoig/isopubs/itchch2.html ) sec 2.5.4, that
>>I am having trouble understanding. The equation is suppose to calculate
>>the final isotopic compostion when you mix two solutions of known
>>concentration and isotopic concentration together. There is a term F
>>which is equal to R/(1+R), R being the ratio of isotopes of
>>interest. I'm not sure how F is related to delta or at%.
>>I've calculated the final isotopic concentration to my own satisfaction
>>but it bothers me that I can't get the same answer using this
>>equation. Thanks for any insight into this problem.
>>
>>David DenHaan
>>NSTL
>>
>>
