[ RadSafe ] Polonium-210 poisoning

[franz.schoenhofer at chello.at]

Cindy,

I hope you understand, that such an eminent scientist like Chris Busby might sometimes commit a typing error.....
How do you say in the USA? "Tongue firmly in cheek"?

Best regards,

Franz



---- radbloom at comcast.net schrieb:
> 

I think you mean Tl-208, 2.6 MeV (4N series, i.e., Th-232...Ra-228...); not Tl-206, photon emissions less than 1% of the time, 0.803 MeV maximum (4n+2 series, i.e., U-238...Ra-226...).   


Cindy Bloom 


----- Original Message -----




From: "Chris Busby" <C.Busby at ulster.ac. uk > 
To: "The International Radiation Protection (Health Physics) Mailing List" < radsafe @ agni .phys. iit . edu >, "The International Radiation Protection (Health Physics) Mailing List" < radsafe @ agni .phys. iit . edu > 
Sent: Sunday, September 11, 2011 11:54:53 AM 
Subject: Re: [ RadSafe ] Polonium-210 poisoning 



Well they originally thought it was Tl206, which has that big gamma line up in the 2.2MeV region because there was some weak gamma, thats the decay series of one of the Radiums , 228 I think. That would fit with a kitchen operation. But I didnt hear about any reactor gamma nuclide . This is from memory but its one of the Tl s 
Chris 

-----Original Message----- 
From: radsafe -bounces@ agni .phys. iit . edu on behalf of Mark Ramsay 
Sent: Sun 9/11/2011 2:20 PM 
To: The International Radiation Protection (Health Physics) Mailing List 
Subject: Re: [ RadSafe ] Polonium-210 poisoning 
  
Do I not recall some gamma spec (yes gamma) was done which linked it to reactor based production (based on impurities) ? 

Rgs 

Mark 

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--
Franz Schoenhofer, PhD, MinRat
Habicherg. 31/7
A-1160 Vienna
Austria
mobile: ++43 699 1706 1227