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Re: 3H tests

Be very careful which detergent you use.  Some have given us the royal fits
with
chemoluminescence - very bad if you are looking for H-3.


At 06:21 PM 1/18/01 -0600, you wrote:
>We use tritium linked to thymidine and other biological compounds in
>biological labs with good surfaces.  We find a tissue moistened with
>detergent very effective in our conditions.  This can be counted directly in
>a scintillation vial using aqueous based scintillants without any further
>processing.  Background and quench controls can be a similar treated tissue
>unexposed or as Franz described you can always go back and spike the sample
>with a known amount to work out the efficiency. 
>Helen Leonard, Radiation Safety Officer


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