Hello,
I am somewhat perplexed. Despite all the shielding with Pb and copper i get the line at 2615 keV.
What can that be?
The K 40 line can be accessed from the PMT in the glass. Its an old EMI 9656B
Peter
Tl 208 ?
Re: Tl 208 ?
Hi,
Thallium 208, from thorium, for sure.
Lodovico
Thallium 208, from thorium, for sure.
Lodovico
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