radioactive lead

radioactive lead

Any of the radioactive isotopes of lead, which are part of the natural decay chain of 238U: 218Po is an alpha emitter with a half-life of 3.1 minutes; this becomes 214Pb, a beta emitter with a half-life of 27 minutes; this becomes 214Bi, another beta emitter, which has a half-life of 20 minutes; this becomes 214Po, an alpha emitter with a half-life of 160 microseconds; this becomes 210Pb, a beta emitter with a half-life of 22 years; this becomes 210Bi, another beta emitter, which has a half-life of 5 days; this becomes 210Po, an alpha emitter with a half-life of 140 days; finally ending in 206Pb, a stable nuclide.
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Next month, for instance, Mark Baskaran of Wayne State University in Detroit expects to start measuring radioactive lead in samples of bowhead bone.
A Kobe-based scrap iron dealer informed the Science and Technology Agency on Tuesday that it has detected a radioactive lead container in a batch of scrap metal it collected, agency sources said.
The Science and Technology Agency on Thursday said it found radium ray sources in a radioactive lead container that a scrap iron dealer came across in a pile of scrap metal in Kobe earlier this week.

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