Print

Print


Hi Aaron,

you may check:
Isotope Tracers in Catchment Hydrology (1998), C. Kendall and J. J. 
McDonnell (Eds.)

Chapter 2.5.4 Isotopically labeled materials, online:
<http://wwwrcamnl.wr.usgs.gov/isoig/isopubs/itchch2.html#2.5.4>

regards,
Robert

-- 
Dr. Robert van Geldern
GeoZentrum Nordbayern / Applied Geosciences
University of Erlangen-Nuremberg
Schlossgarten 5
91054 Erlangen, Germany

mailto:[log in to unmask]
www.gzn.uni-erlangen.de
fon: +49(0)9131-85-24780 (office)
fax: +49(0)9131-85-29294
Room: O 0.106 (office)

Aaron Shultis wrote:
> Hi all,
> 
> I was curious how the isotope manufacturers calculate the "isotope 
> enrichment" of a labeled reference.
> For example if the container has "98% isotope enrichment" or "98% 18O" 
> on the label, how is that calculated.
> and how is that related to atom%. 
> Cheers
> Aaron
> 
> 
> -- 
> Aaron Shultis, Research Scientist
> Water Center
> School of Natural Resources
> University of Nebraska-Lincoln
> 103 Water Sciences Lab
> Lincoln, NE 68583-0844 U.S.A.


__________ Hinweis von ESET NOD32 Antivirus, Signaturdatenbank-Version 4593 (20091110) __________

E-Mail wurde geprüft mit ESET NOD32 Antivirus.

http://www.eset.com