Re: Chemistry Question

[Tad Blanchard <Tad.M.Blanchard.1@gsfc.nasa.gov>]

Thanks all for the help.  

We now know that the minuscule amount of Thorium coated on the lens was about 11 picocuries.  MUCH less than your typical Coleman(R) lantern mantle. :-)



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Tad Blanchard             /___\ /___\   NASA-Goddard Space Flight  Center
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