[ RadSafe ] Looking for References on Liquid Scintillation Counting for Tritium

Franz Schönhofer franz.schoenhofer at gmail.com
Mon Sep 5 08:54:03 CDT 2005


Dear Felipe,
 Sorry to say I do not know about any book dealing with tritium LSC nor any 
new one about LSC. The reason seems to be simple: LSC has developed so 
rapidly over the last 20 years, that any new book would have been outdated 
shortly after being published. The best overview besides extensive 
literature search might be the proceedings of the international conferences 
on LSC - 1992 in Vienna, 1994 in Glasgow, 2001 in Karlsruhe. Or you come to 
one which is to be held in Katowice, Poland 17-21 October 2005. Information 
at http://www.gig.katowice.pl/gig/lsc.php.
 Unfortunately you do not give information what kind of samples and what 
concentration range you want to measure. In the case of environmental 
surveillance and water I believe that the changes have occurred by the 
availability of better instruments, though the very first Quantulus was sold 
already in 1983 - btw to me. Commercial scintillation cocktails have been 
improved considerably both for holding larger amounts of water and better 
efficiency. Better suited vials have been developed.
 Environmental levels have decreased to almost natural levels, which means, 
that they cannot be measured without enrichment except with a "Quantulus". I 
personally have measured tritium in drinking water, ground water, surface 
water, precipitation, wine and urine without enrichment, first with 
conventional LS counters, since 1983 until 1998 with Quantulus. With respect 
to optimization of counting conditions I have done a lot of work regarding 
cocktails and mixing ratios. I spend a few months in Poland right now, so I 
do not have this by hand. If you are interested in it I could try to find 
it. 
 Best regards,
 Franz
 
 2005/9/5, Felipe Gaitan <gaitan at impulsedevices.com>: 
> 
> Dear Radsafers,
> 
> Could somebody recommend the top book references for doing liquid
> scintillation counting with tritium? I have some of the older books
> by Horrocks and I was looking for information on the more recent
> developments.
> 
> Thanks,
> 
> Felipe
> 
> --
> D. Felipe Gaitan, Ph.D.
> Chief Scientific Officer
> Impulse Devices, Inc.
> 13366 Grass Valley Av. Unit H
> Grass Valley, CA 95945
> Phone: 530-273-6500 Ext. 112
> Fax: 806-498-6731
> 
> email: gaitan at impulsedevices.com
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