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Daphne Preston-Kendal

@heiglandreas @annika If it’s Cobalt-60 and made in 1963 it’s probably nearly inert by now

3 comments
Annika Backstrom

@dpk i found a page that said it would have around 2 curies now, "not too bad from a meter away, but a real problem if you put it in your pocket" cen.acs.org/safety/Chemistry-P

Jamie McCarthy

@annika @dpk That page is almost 4 years old, so I guess it’s closer to 1 Curie now. How many Sieverts is that if you hold it in your hand for long enough to take a photo?

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