Chemistry Lab Manual®

A Russian chemist, Dmitri Mendeleev (1834-1907) was the first to do so successfully. ... A Ba-137 generator will be used as the source of the Ba-137m. The generator contains Cs-137, which decays by beta emission to Ba-137m with a half-life of over 30 years. ... The city remained deserted for at least three years after the accident. The film ... ................
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