[ RadSafe ] sr90 from noble gases

[Bernard Cohen]

Kr-90 decays into Rb-90 which decays into Sr-90, but the half life of 
Kr-90 is only 33 seconds, so it would have to diffuse out of the fuel 
pin (if that pin was defective) and carried with the water to the point 
where a small fraction of the water is diverted to and through  the 
demineralizer bed before its decay products could escape removal in the 
demineralizer bed. Only a tiny fraction of Kr-90 atoms could do all of 
this within their 33 second half life limitation.

Norm Cohen wrote:

>Guys and gals,
>
>Somewhere I read that sr90 could be produced from the decay of noble gases
>emitted from nuke plants. What can you all tell me about this?
>
> 
>
>Norm
>
> 
>
>Coalition for Peace and Justice; UNPLUG Salem Campaign, 321 Barr Ave,
>Linwood; NJ08221; 609-601-8583
>
> 
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