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Re[2]: Deuterium Oxide 100%




     My work with deuterated water indicates no T.  In fact, tritium would 
     have messed up my ESR results.
     
     Ruth Weiner
     Sandia National Labs


______________________________ Reply Separator _________________________________
Subject: RE: Deuterium Oxide 100%
Author:  smj1@npl.co.uk at hubsmtp
Date:    11/7/97 2:26 AM


The answer is maybe (!) since the enrichment process probably enriches 
the heavier isotopes. Having said that, measurements on >99.9% Deuterium 
Oxide that I've done have not revealed any measurable tritium content. 
The best thing to do would be to measure it by liquid scintillation 
counting first and then decide....
     
Best wishes,
Simon Jerome
National Physical Laboratory, UK
     
simon.jerome@npl.co.uk
http://www.npl.co.uk/
>
>
>Hello,
>We have a local chemical waste vender who wonders if Deuterium 
>Oxide
>contains 3H (Tritium) and is Radioactive.
>I have looked at the MSDS and do not see 3H listed. Question: 
>Does Deuterium Oxide contain 3H and is it radioactive?
>Thank you,
>
>Mark Dater
>Nexstar Pharmaceuticals, Inc.
>EH&S Dept.
>2860 Wilderness Pl.
>Boulder , Co. 80301
>Ph-303-546-7703
>fax 303-444-0672
>E-mail   mdater@Nexstar.com
>These are my inquiries and comments and not those of my employer 
>
>
>
>